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About all this there is no essential disagreement. The most hideous enemy of native Americans was not the white man and his weaponry, concludes Alfred Crosby,"but the invisible killers which those men brought in their blood and breath." It is thought that between 75 to 90 percent of all Indian deaths resulted from these killers.

As an example of actual genocidal conditions, Stannard points to Franciscan missions in California as"furnaces of death."

The missionaries had a poor understanding of the causes of the diseases that afflicted their charges, and medically there was little they could do for them. By contrast, the Nazis knew exactly what was happening in the ghettos, and quite deliberately deprived the inmates of both food and medicine; unlike in Stannard’s"furnaces of death," the deaths that occurred there were meant to occur.

True, too, some colonists later welcomed the high mortality among Indians, seeing it as a sign of divine providence; that, however, does not alter the basic fact that Europeans did not come to the New World in order to infect the natives with deadly diseases.

But Chardon's journal manifestly does not suggest that the U.S. Army distributed infected blankets, instead blaming the epidemic on the inadvertent spread of disease by a ship's passenger. And as for the"100,000 fatalities," not only does Thornton fail to allege such obviously absurd numbers, but he too points to infected passengers on the steamboat St. Peter's as the cause. Another scholar, drawing on newly discovered source material, has also refuted the idea of a conspiracy to harm the Indians.

Similarly at odds with any such idea is the effort of the United States government at this time to vaccinate the native population. Smallpox vaccination, a procedure developed by the English country doctor Edward Jenner in 1796, was first ordered in 1801 by President Jefferson; the program continued in force for three decades, though its implementation was slowed both by the resistance of the Indians, who suspected a trick, and by lack of interest on the part of some officials. Still, as Thornton writes:"Vaccination of American Indians did eventually succeed in reducing mortality from smallpox."

The disparity in estimates is enormous. In 1928, the ethnologist James Mooney proposed a total count of 1,152,950 Indians in all tribal areas north of Mexico at the time of the European arrival. By 1987, in American Indian Holocaust and Survival, Russell Thornton was giving a figure of well over 5 million, nearly five times as high as Mooney’s, while Lenore Stiffarm and Phil Lane, Jr. suggested a total of 12 million. That figure rested in turn on the work of the anthropologist Henry Dobyns, who in 1983 had estimated the aboriginal population of North America as a whole at 18 million and of the present territory of the United States at about 10 million.

Still, even if up to 90 percent of the reduction in Indian population was the result of disease, that leaves a sizable death toll caused by mistreatment and violence. Should some or all of these deaths be considered instances of genocide?

Despite the colonists' own resort to torture in order to extract confessions, the cruelty of these practices strengthened the belief that the natives were savages who deserved no quarter

A second famous example from the colonial period is King Philip’s War (1675-76).

The war was also merciless, on both sides. At its outset, a colonial council in Boston had declared"that none be Killed or Wounded that are Willing to surrender themselves into Custody."

But these rules were soon abandoned on the grounds that the Indians themselves, failing to adhere either to the laws of war or to the law of nature, would"skulk" behind trees, rocks, and bushes rather than appear openly to do" civilized" battle. Similarly creating a desire for retribution were the cruelties perpetrated by Indians when ambushing English troops or overrunning strongholds housing women and children.

Before long, both colonists and Indians were dismembering corpses and displaying body parts and heads on poles. (Nevertheless, Indians could not be killed with impunity. In the summer of 1676, four men were tried in Boston for the brutal murder of three squaws and three Indian children; all were found guilty and two were executed.)

In 1704, this was amended in the direction of"Christian practice" by means of a scale of rewards graduated by age and sex; bounty was proscribed in the case of children under the age of ten, subsequently raised to twelve (sixteen in Connecticut, fifteen in New Jersey). Here, too, genocidal intent was far from evident; the practices were justified on grounds of self-preservation and revenge, and in reprisal for the extensive scalping carried out by Indians.

To force the natives into submission, Generals Sherman and Sheridan, who for two decades after the Civil War commanded the Indian-fighting army units on the Plains, applied the same strategy they had used so successfully in their marches across Georgia and in the Shenandoah Valley. Unable to defeat the Indians on the open prairie, they pursued them to their winter camps, where numbing cold and heavy snows limited their mobility. There they destroyed the lodges and stores of food, a tactic that inevitably resulted in the deaths of women and children.

As the United States expanded westward, such conflicts multiplied. So far had things progressed by 1784 that, according to one British traveler,"white Americans have the most rancorous antipathy to the whole race of Indians; and nothing is more common than to hear them talk of extirpating them totally from the face of the earth, men, women, and children."

To understand all is hardly to forgive all, but historical judgment, as the scholar Gordon Leff has correctly stressed,"must always be contextual: it is no more reprehensible for an age to have lacked our values than to have lacked forks."

According to Article II of the convention, the crime of genocide consists of a series of acts" committed with intent to destroy, in whole or in part, a national, ethnical, racial, or religious group as such" (emphases added). Practically all legal scholars accept the centrality of this clause.

During the deliberations over the convention, some argued for a clear specification of the reasons, or motives, for the destruction of a group. In the end, instead of a list of such motives, the issue was resolved by adding the words"as such"—i.e., the motive or reason for the destruction must be the ending of the group as a national, ethnic, racial, or religious entity. Evidence of such a motive, as one legal scholar put it,"will constitute an integral part of the proof of a genocidal plan, and therefore of genocidal intent."

The crucial role played by intentionality in the Genocide Convention means that under its terms the huge number of Indian deaths from epidemics cannot be considered genocide.

y contrast, some of the massacres in California, where both the perpetrators and their supporters openly acknowledged a desire to destroy the Indians as an ethnic entity, might indeed be regarded under the terms of the convention as exhibiting genocidal intent.

the convention does not address the question of what percentage of a group must be affected in order to qualify as genocide. As a benchmark, the prosecutor of the International Criminal Tribunal for the Former Yugoslavia has suggested"a reasonably significant number, relative to the total of the group as a whole," adding that the actual or attempted destruction should also relate to"the factual opportunity of the accused to destroy a group in a specific geographic area within the sphere of his control, and not in relation to the entire population of the group in a wider geographic sense."

If this principle were adopted, an atrocity like the Sand Creek massacre, limited to one group in a specific single locality, might also be considered an act of genocide.

Applying today’s standards to events of the past raises still other questions, legal and moral alike. While history has no statute of limitations, our legal system rejects the idea of retroactivity (ex post facto laws).

No doubt, the 19th-century idea of America’s"manifest destiny" was in part a rationalization for acquisitiveness, but the resulting dispossession of the Indians was as unstoppable as other great population movements of the past. The U.S. government could not have prevented the westward movement even if it had wanted to.

Morally, even if we accept the idea of universal principles transcending particular cultures and periods, we must exercise caution in condemning, say, the conduct of war during America’s colonial period, which for the most part conformed to thenprevailing notions of right and wrong.

The real task, then, is to ascertain the context of a specific situation and the options it presented. Given circumstances, and the moral standards of the day, did the people on whose conduct we are sitting in judgment have a choice to act differently?

Finally, even if some episodes can be considered genocidal—that is, tending toward genocide—they certainly do not justify condemning an entire society

Guilt is personal, and for good reason the Genocide Convention provides that only"persons" can be charged with the crime, probably even ruling out legal proceedings against governments.

noncombatants incidentally and accidentally, not purposefully." As for the larger society, even if some elements in the white population, mainly in the West, at times advocated extermination, no official of the U.S. government ever seriously proposed it. Genocide was never American policy, nor was it the result of policy.

The violent collision between whites and America's native population was probably unavoidable.

Genocide? These actions were almost certainly in conformity with the laws of war accepted at the time. The principles of limited war and of noncombatant immunity had been codified in Francis Lieber's General Order No. 100, issued for the Union Army on April 24, 1863. But the villages of warring Indians who refused to surrender were considered legitimate military objectives.

In the end, the sad fate of America's Indians represents not a crime but a tragedy, involving an irreconcilable collision of cultures and values.

efforts of well-meaning people in both camps, there existed no good solution to this clash. The Indians were not prepared to give up the nomadic life of the hunter for the sedentary life of the farmer. The new Americans, convinced of their cultural and racial superiority, were unwilling to grant the original inhabitants of the continent the vast preserve of land required by the Indians’ way of life.

To fling the charge of genocide at an entire society serves neither the interests of the Indians nor those of history.

Intrusive and pervasive surveillance oversees the Muslim minorities of Xinjiang.

Displays of Islamic faith are often punished. A network of concentration camps has been constructed to enslave Uighurs for purposes of “reeducation,” and in recent years the camps have swelled to accommodate a torrent of new inmates. 

 Many of the women in the camps are sterilized.

Our knowledge of the monstrous treatment of Uighurs by the Chinese authorities has recently been sharpened by drone footage out of Xinjiang taken last year showing scores of Uighurs sitting, bound and blindfolded with heads shaved, waiting to be loaded onto train cars bound for the camps—or worse.

President Trump reportedly gave his blessing to China’s treatment of the Uighurs.

 According to former National Security Advisor John Bolton, at the G-20 meeting in June 2019, with only interpreters present, Xi explained to Trump the rationale behind the concentration camps. According to the American interpreter, Trump said that Xi should go ahead with building the camps, which Trump considered eminently justified. Bolton also declared that the National Security Council’s top Asia staffer, Matthew Pottinger, had confirmed that Trump endorsed the Chinese gulag during his November 2017 trip to China.

As for Ned Hallowell, he was shot three times charging with the left wing of the martyred 54th Massachusetts at Fort Wagner, just behind his doomed friend Robert Gould Shaw. With Shaw’s body lying in a sandy ditch with his troops, Ned Hallowell assumed command of the regiment. Assigned the rear guard during a perilous retreat in a battle called Olustee, he and his men spent 20,000 cartridges checking the Confederates and then countermarched to save a train of intermingled black and white wounded soldiers that had broken down. When they couldn’t fix the motor, they attached ropes to the engine cars and manually hauled that bloody train to safety, with Confederate gunfire guttering at their backs.

Then there was that Princeton academic and assistant football coach named Woodrow Wilson, who rewrote the Civil War in volumes of purported American history so racist that they enraged Hallowell because they so “abounded with apologies for slavery.”

The vague phrase “systemic racism” is not just perpetuated by men with badges. It’s also propagated by our false victory narratives. There have been few more powerful cultural narrators than the NFL and the NCAA, with their close association with military triumphalism. They have been terrible teachers of historical truth, lousy with misplaced definitions of valor

Pen Hallowell was alive to hear Harvard football coach W. Cameron Forbes declare in 1900 that American football was “the expression of strength of the Anglo-Saxon. It is the dominant spirit of the dominant race, and to this it owes its popularity and its hope of permanence.”

every well-meaning but unread white athlete, coach, owner, athletic director and sportswriter needs to understand that Pen Hallowell, to whom black lives really did matter, lost his war. And football had no small part in that.

Hallowell tried to fight back in the post-war battle of values. He wrote essays and speeches devoted to the bravery of black soldiers and those conscientious outliers, abolitionists. On Memorial Day in 1896, he gave a remembrance address at Harvard. Sickened by romantic war myths in which the treachery and slave-driving of the Confederacy were painted over as cavalier spirit, Hallowell said, “To ignore the irreconcilable distinction between the cause of the North and that of the South is to degrade the war.”

Yet isn’t that what we have done? We have degraded that war — to the point that we hardly know what real honor is anymore, much less how to coach it on our playing fields.

Degraded it to the point that Pen Hallowell has faded to a relative obscurity, except among war buffs and historians, while the University of Mississippi kept Colonel Reb as a mascot until 2003. Even now frat boys will dress in the costumes of traitors to the flag at cotillions, without the first blush of hot shame

If we want football to be something worth preserving, we should demand that it celebrates the right qualities — and people.

most important is what Hallowell has to teach about courage and protest. “The courage necessary to face death in battle is not of the highest order,” Hallowell wrote. He saw a “higher and rarer courage” in the “long suffering and patient endurance” of the soldiers so invested in their equal pay protest that they fought for 18 months without accepting a cent until they won fair treatment.

Hallowell and his brother are buried in Mount Auburn Cemetery in Cambridge, Mass., with headstones so small they seem like chips compared with Confederate monuments. When Hallowell finally died in 1914, his close friend and compatriot Oliver Wendell Holmes Jr. called him “the most generously gallant spirit, and I don’t know but the greatest soul I ever knew.” If there was a peerless man who deserves to be on a height, it’s Pen Hallowell. Yet look what we have done to him. Look what we have done to all of us.

“America and Britain’s poor responses to Covid-19 can be traced partly to post-cold war self-congratulation — the belief that neither had much to learn from the rest of the world,” wrote Edward Luce of the Financial Times. “In a few short months a microbe has exposed the underside to Anglo-American hubris.”

that hubris is no small thing — it’s in many ways at the heart of the ideological project that sculpted the post-World War II international order, the “Anglo-Saxon” principles of laissez-faire liberal democracy that seemed irrevocably ascendant until not so long ago.

instead of setting the terms of a hemispheric “Pax Americana,” they find themselves adjusting to new realities forged elsewhere.

“Half a millennium of potted history tells Anglo-Americans they are destined always to be on the winning side,” Luce added. “It blinds both to how the rest of the world increasingly views them, which is with sadness and growing mockery.”

In the age of the coronavirus, Asia’s dramas have become global ones. A deadly standoff between Indian and Chinese forces in the Himalayas heralded the advent of a new 21st-century fault line separating two nuclear powers. The existential threats facing free societies in Hong Kong and Taiwan have galvanized support throughout the West. The ponderous deliberations in Europe about its political future now cannot be made without an eye to the Far East.

Chinese officials insist that such rivalry is unnecessary. “The world should not be viewed in binary thinking, and differences in systems should not lead to a zero-sum game,” Foreign Minister Wang Yi said in a speech Thursday, seeking to tamp down tensions with Washington. “China will not, and cannot, be another U.S.”

In an unfortunate paradox, the phenomenal rise of China may have created the very conditions for the demise of the Asian century,” wrote the Indian commentator C. Raja Mohan. “That China has become far more powerful than all of its Asian neighbors has meant Beijing no longer sees the need to evoke Asian unity. As it seeks to surpass the United States and emerge as the top dog in the world, it is no surprise that Beijing’s imagination has turned to the construction of a Chinese century.”

Wilson was raised in Augusta, Georgia during the Civil War, the son of Joseph Ruggles Wilson, leading light of the Presbyterian Church of the Confederacy who made his name through the publication of his popular sermon arguing for the Biblical sanction of slavery.

Wilson’s father enrolled him at another Presbyterian, Southern-friendly college in Princeton, New Jersey which, unlike Harvard, Yale, Dartmouth, or Brown, refused to admit African-Americans. Two thirds of Princeton’s students came from the former Confederacy, but Wilson was confronted with non-Southerners for the first time, an experience that bolstered his reactionary politics and Southern identity. He took up the secessionist side in debates with classmates, and nearly came to blows with some Northern students during the contested 1876 election.

He condemned Reconstruction — the effort to enforce the civil and political emancipation of African-Americans in the occupied South — and said allowing Blacks to vote was a “carnival of public crime.”

The mass slaughter of Black people by white terrorists in Hamburg, Vicksburg, Colfax, New Orleans and other cities went unmentioned, as did attacks occurring in dozens of South Carolina towns right under Wilson’s nose the whole time he was coming of age.

“A History of the American People,” a poorly written and shoddily researched five-volume, illustrated tome published in 1902.

It furthered the white supremacist arguments in “Division and Reunion,” calling freed slaves “dupes” and the KKK a group formed “for the mere pleasure of association [and] private amusement” whose members accidentally discovered they could create “comic fear” in the Blacks they descended on. Immigrants were a problem because they were no longer “of the sturdy stocks of the North of Europe” but contained “multitudes of men of the lowest classes from the South of Italy and men of the meaner sort out of Hungary and Poland” and Chinese people, “with their yellow skin and strange, debasing habits of life,” who seemed “hardly fellow men at all, but evil spirits” and who provoked understandable mass killings by white mobs.

Wilson won the 1912 election with less than 42 percent of the vote, becoming the first Deep Southerner to hold the presidency.

It’s said that the South lost the war, but won the peace, but it was Wilson’s presidency that sealed the victory. Wilson presided over the segregation of the federal government, with Black civil servants directed to use only certain bathrooms and to eat their lunches there too so as to not sully the cafeterias

The president famously ejected Black civil rights leader William Monroe Trotter from the Oval Office for having temerity to tell him that his delegation came to him not as “wards” but as “full-fledged American citizens” demanding equality of citizenship.

Threatened with bankruptcy, Dixon turned to his old friend to intervene. Wilson screened the film in the White House for his Cabinet, and the following day Supreme Court Justice Edward Douglass White — whose statues in Louisiana and the U.S. Capitol are also subject of current protests — agreed to show it to the other justices and congressional leaders because he himself had been in the Klan and loved the film’s message. These tacit endorsements from the highest levels of power turned the tide and the film went on to be a massive financial success and was until very recently celebrated as a great work of art.

his plans for the world order presided over by the League of Nations paralleled his vision of the United States. He promoted the principles of democracy and national self-determination, but only for European nations and Anglo-Saxon settler countries like the U.S., Canada, and Australia. Czechs, Romanians, and Serbs deserved their own national states, African, Arab, Indian, and Pacific Island peoples did not

Japan, an allied power in the war, introduced a measure to include the principle of racial equality in the League’s mandate. Wilson opposed it because it would have compelled the U.S. to ensure equal treatment to Japanese, Haitian, or Liberian citizens in hotels, restaurants, and transport across the Jim Crow South. The measure passed anyway, 11-5, but Wilson, who chaired the proceedings, unilaterally and arbitrarily declared the measure had failed because it was not unanimous

Since 9/11, the United States has suffered, on average, six deaths per year due to jihadi terrorism. (To put this in perspective, in 2019, an average of 39 Americans died every day from overdoses involving prescription opioids.) If the goal of the global war on terror was to prevent significant acts of terrorism, particularly in the United States, then the war has succeeded.

But at what cost?

Every war the United States has fought, beginning with the American Revolution, has required an economic model to sustain it with sufficient bodies and cash.

Like its predecessors, the war on terror came with its own model: the war was fought by an all-volunteer military and paid for largely through deficit spending.

It should be no surprise that this model, which by design anesthetized a majority of Americans to the costs of conflict, delivered them their longest war; in his September 20, 2001, speech, when describing how Americans might support the war effort, Bush said, “I ask you to live your lives and hug your children.”

This model has also had a profound effect on American democracy, one that is only being fully understood 20 years later.

Funding the war through deficit spending allowed it to fester through successive administrations with hardly a single politician ever mentioning the idea of a war tax. Meanwhile, other forms of spending—from financial bailouts to health care and, most recently, a pandemic recovery stimulus package—generate breathless debate.

, technological and social changes have numbed them to its human cost. The use of drone aircraft and other platforms has facilitated the growing automation of combat, which allows the U.S. military to kill remotely. This development has further distanced Americans from the grim costs of war

the absence of a draft has allowed the U.S. government to outsource its wars to a military caste, an increasingly self-segregated portion of society, opening up a yawning civil-military divide as profound as any that American society has ever known.

For now, the military remains one of the most trusted institutions in the United States and one of the few that the public sees as having no overt political bias. How long will this trust last under existing political conditions? As partisanship taints every facet of American life, it would seem to be only a matter of time before that infection spreads to the U.S. military.

From Caesar’s Rome to Napoleon’s France, history shows that when a republic couples a large standing military with dysfunctional domestic politics, democracy doesn’t last long. The United States today meets both conditions.

Historically, this has invited the type of political crisis that leads to military involvement (or even intervention) in domestic politics.

How imminent is the threat from these states? When it comes to legacy military platforms—aircraft carriers, tanks, fighter planes—the United States continues to enjoy a healthy technological dominance over its near-peer competitors. But its preferred platforms might not be the right ones. Long-range land-based cruise missiles could render large aircraft carriers obsolete. Advances in cyberoffense could make tech-reliant fighter aircraft too vulnerable to fly

It is not difficult to imagine a more limited counterterrorism campaign in Afghanistan that might have brought bin Laden to justice or a strategy to contain Saddam Hussein’s Iraq that would not have involved a full-scale U.S. invasion. The long, costly counterinsurgency campaigns that followed in each country were wars of choice.

Both proved to be major missteps when it came to achieving the twin goals of bringing the perpetrators of 9/11 to justice and securing the homeland. In fact, at several moments over the past two decades, the wars set back those objectives

Few years proved to be more significant in the war on terror than 2011. Aside from being the year bin Laden was killed, it also was the year the Arab Spring took off and the year U.S. troops fully withdrew from Iraq. If the great strategic blunder of the Bush administration was to put troops into Iraq, then the great strategic blunder of the Obama administration was to pull all of them out. Both missteps created power vacuums. The first saw the flourishing of al Qaeda in Iraq; the second gave birth to that group’s successor, ISIS.

But what makes the war on terror different from other wars is that victory has never been based on achieving a positive outcome; the goal has been to prevent a negative one.

How, then, do you declare victory? How do you prove a negative?

The wars in Afghanistan and Iraq represented a familiar type of war, with an invasion to topple a government and liberate a people, followed by a long occupation and counterinsurgency campaigns.

In addition to blood and treasure, there is another metric by which the war on terror can be judged: opportunity cost

For the past two decades, while Washington was repurposing the U.S. military to engage in massive counterinsurgency campaigns and precision counterterrorism operations, Beijing was busy building a military to fight and defeat a peer-level competitor.

Today, the Chinese navy is the largest in the world. It boasts 350 commissioned warships to the U.S. Navy’s roughly 290.

it now seems inevitable that the two countries’ militaries will one day reach parity. China has spent 20 years building a chain of artificial islands throughout the South China Sea that can effectively serve as a defensive line of unsinkable aircraft carriers.

Culturally, China has become more militaristic, producing hypernationalist content such as the Wolf Warrior action movies.

After the century opened with 9/11, conventional wisdom had it that nonstate actors would prove to be the greatest threat to U.S. national security

Nonstate actors have compromised national security not by attacking the United States but by diverting its attention away from state actors. It is these classic antagonists—China, Iran, North Korea, and Russia—that have expanded their capabilities and antipathies in the face of a distracted United States.

it may seem odd to separate the wars in Afghanistan and Iraq from the war on terror,

The greatest minds in the U.S. military have now, finally, turned their attention to these concerns, with the U.S. Marine Corps, for example, shifting its entire strategic focus to a potential conflict with China. But it may be too late.

Americans’ fatigue—and rival countries’ recognition of it—has limited the United States’ strategic options. As a result, presidents have adopted policies of inaction, and American credibility has eroded.

When Obama went to legislators to gain support for a military strike against the Assad regime, he encountered bipartisan war fatigue that mirrored the fatigue of voters, and he called off the attack. The United States’ redline had been crossed, without incident or reprisal.

Fatigue may seem like a “soft” cost of the war on terror, but it is a glaring strategic liability.

This proved to be true during the Cold War when, at the height of the Vietnam War, in 1968, the Soviets invaded Czechoslovakia, and when, in the war’s aftermath, in 1979, the Soviets invaded Afghanistan. Because it was embroiled in a war in the first case and reeling from it in the second, the United States could not credibly deter Soviet military aggression

It is no coincidence that China, for instance, has felt empowered to infringe on Hong Kong’s autonomy and commit brazen human rights abuses against its minority Uyghur population. When American power recedes, other states fill the vacuum.

U.S. adversaries have also learned to obfuscate their aggression. The cyberwar currently being waged from Russia is one example, with the Russian government claiming no knowledge of the spate of ransomware attacks emanating from within its borders. With Taiwan, likewise, Chinese aggression probably wouldn’t manifest in conventional military ways. Beijing is more likely to take over the island through gradual annexation, akin to what it has done with Hong Kong, than stage an outright invasion.

From time to time, people have asked in what ways the war changed me. I have never known how to answer this question because ultimately the war didn’t change me; the war made me

Today, I have a hard time remembering what the United States used to be like. I forget what it was like to be able to arrive at the airport just 20 minutes before a flight. What it was like to walk through a train station without armed police meandering around the platforms. Or what it was like to believe—particularly in those heady years right after the Cold War—that the United States’ version of democracy would remain ascendant for all time and that the world had reached “the end of history.”

Today, the United States is different; it is skeptical of its role in the world, more clear-eyed about the costs of war despite having experienced those costs only in predominantly tangential ways. Americans’ appetite to export their ideals abroad is also diminished, particularly as they struggle to uphold those ideals at home, whether in violence around the 2020 presidential election, the summer of 2020’s civil unrest, or even the way the war on terror compromised the country through scandals from Abu Ghraib prison to Edward Snowden’s leaks. A United States in which Band of Brothers has near-universal appeal is a distant memory.

When I told him that even though we might have lost the war in Afghanistan, our generation could still claim to have won the war on terror, he was skeptical. We debated the issue but soon let it drop. The next day, I received an email from him. A southerner and a lover of literature, he had sent me the following, from The Sound and the Fury:

No battle is ever won. . . . They are not even fought. The field only reveals to man his own folly and despair, and victory is an illusion of philosophers and fools.

If the world had adopted the proposal widely endorsed at the end of the ’80s — a freezing of carbon emissions, with a reduction of 20 percent by 2005 — warming could have been held to less than 1.5 degrees.

Action had to be taken, and the United States would need to lead. It didn’t.

There can be no understanding of our current and future predicament without understanding why we failed to solve this problem when we had the chance.

The first suggestion to Rafe Pomerance that humankind was destroying the conditions necessary for its own survival came on Page 66 of the government publication EPA-600/7-78-019. It was a technical report about coal

‘This Is the Whole Banana’ Spring 1979

here was an urgent problem that demanded their attention, MacDonald believed, because human civilization faced an existential crisis. In “How to Wreck the Environment,” a 1968 essay published while he was a science adviser to Lyndon Johnson, MacDonald predicted a near future in which “nuclear weapons were effectively banned and the weapons of mass destruction were those of environmental catastrophe.” One of the most potentially devastating such weapons, he believed, was the gas that we exhaled with every breath: carbon dioxide. By vastly increasing carbon emissions, the world’s most advanced militaries could alter weather patterns and wreak famine, drought and economic collapse.

the Jasons. They were like one of those teams of superheroes with complementary powers that join forces in times of galactic crisis. They had been brought together by federal agencies, including the C.I.A, to devise scientific solutions to national-security problems: how to detect an incoming missile; how to predict fallout from a nuclear bomb; how to develop unconventional weapons, like plague-infested rats.

Agle pointed to an article about a prominent geophysicist named Gordon MacDonald, who was conducting a study on climate change with the Jasons, the mysterious coterie of elite scientists to which he belonged

During the spring of 1977 and the summer of 1978, the Jasons met to determine what would happen once the concentration of carbon dioxide in the atmosphere doubled from pre-Industrial Revolution levels. It was an arbitrary milestone, the doubling, but a useful one, as its inevitability was not in question; the threshold would most likely be breached by 2035.

The Jasons’ report to the Department of Energy, “The Long-Term Impact of Atmospheric Carbon Dioxide on Climate,” was written in an understated tone that only enhanced its nightmarish findings: Global temperatures would increase by an average of two to three degrees Celsius; Dust Bowl conditions would “threaten large areas of North America, Asia and Africa”; access to drinking water and agricultural production would fall, triggering mass migration on an unprecedented scale. “Perhaps the most ominous feature,” however, was the effect of a changing climate on the poles. Even a minimal warming “could lead to rapid melting” of the West Antarctic ice sheet. The ice sheet contained enough water to raise the level of the oceans 16 feet.

MacDonald explained that he first studied the carbon-dioxide issue when he was about Pomerance’s age — in 1961, when he served as an adviser to John F. Kennedy. Pomerance pieced together that MacDonald, in his youth, had been something of a prodigy: In his 20s, he advised Dwight D. Eisenhower on space exploration; at 32, he became a member of the National Academy of Sciences; at 40, he was appointed to the inaugural Council on Environmental Quality, where he advised Richard Nixon on the environmental dangers of burning coal. He monitored the carbon-dioxide problem the whole time, with increasing alarm.

They were surprised to learn how few senior officials were familiar with the Jasons’ findings, let alone understood the ramifications of global warming. At last, having worked their way up the federal hierarchy, the two went to see the president’s top scientist, Frank Press.

Thus began the Gordon and Rafe carbon-dioxide roadshow. Beginning in the spring of 1979, Pomerance arranged informal briefings with the E.P.A., the National Security Council, The New York Times, the Council on Environmental Quality and the Energy Department, which, Pomerance learned, had established an Office of Carbon Dioxide Effects two years earlier at MacDonald’s urging

. Out of respect for MacDonald, Press had summoned to their meeting what seemed to be the entire senior staff of the president’s Office of Science and Technology Policy — the officials consulted on every critical matter of energy and national security. What Pomerance had expected to be yet another casual briefing assumed the character of a high-level national-security meeting.

MacDonald would begin his presentation by going back more than a century to John Tyndall — an Irish physicist who was an early champion of Charles Darwin’s work and died after being accidentally poisoned by his wife. In 1859, Tyndall found that carbon dioxide absorbed heat and that variations in the composition of the atmosphere could create changes in climate. These findings inspired Svante Arrhenius, a Swedish chemist and future Nobel laureate, to deduce in 1896 that the combustion of coal and petroleum could raise global temperatures. This warming would become noticeable in a few centuries, Arrhenius calculated, or sooner if consumption of fossil fuels continued to increase.

Four decades later, a British steam engineer named Guy Stewart Callendar discovered that, at the weather stations he observed, the previous five years were the hottest in recorded history. Humankind, he wrote in a paper, had become “able to speed up the processes of Nature.” That was in 1939.

MacDonald’s history concluded with Roger Revelle, perhaps the most distinguished of the priestly caste of government scientists who, since the Manhattan Project, advised every president on major policy; he had been a close colleague of MacDonald and Press since they served together under Kennedy. In a 1957 paper written with Hans Suess, Revelle concluded that “human beings are now carrying out a large-scale geophysical experiment of a kind that could not have happened in the past nor be reproduced in the future.” Revelle helped the Weather Bureau establish a continuous measurement of atmospheric carbon dioxide at a site perched near the summit of Mauna Loa on the Big Island of Hawaii, 11,500 feet above the sea — a rare pristine natural laboratory on a planet blanketed by fossil-fuel emissions.

After nearly a decade of observation, Revelle had shared his concerns with Lyndon Johnson, who included them in a special message to Congress two weeks after his inauguration. Johnson explained that his generation had “altered the composition of the atmosphere on a global scale” through the burning of fossil fuels, and his administration commissioned a study of the subject by his Science Advisory Committee. Revelle was its chairman, and its 1965 executive report on carbon dioxide warned of the rapid melting of Antarctica, rising seas, increased acidity of fresh waters — changes that would require no less than a coordinated global effort to forestall.Yet emissions continued to rise, and at this rate, MacDonald warned, they could see a snowless New England, the swamping of major coastal cities, as much as a 40 percent decline in national wheat production, the forced migration of about one-quarter of the world’s population. Not within centuries — within their own lifetimes.

On May 22, Press wrote a letter to the president of the National Academy of Sciences requesting a full assessment of the carbon-dioxide issue. Jule Charney, the father of modern meteorology, would gather the nation’s top oceanographers, atmospheric scientists and climate modelers to judge whether MacDonald’s alarm was justified — whether the world was, in fact, headed to cataclysm.

If Charney’s group confirmed that the world was careering toward an existential crisis, the president would be forced to act.

Hansen turned from the moon to Venus. Why, he tried to determine, was its surface so hot? In 1967, a Soviet satellite beamed back the answer: The planet’s atmosphere was mainly carbon dioxide. Though once it may have had habitable temperatures, it was believed to have succumbed to a runaway greenhouse effect: As the sun grew brighter, Venus’s ocean began to evaporate, thickening the atmosphere, which forced yet greater evaporation — a self-perpetuating cycle that finally boiled off the ocean entirely and heated the planet’s surface to more than 800 degrees Fahrenheit

At the other extreme, Mars’s thin atmosphere had insufficient carbon dioxide to trap much heat at all, leaving it about 900 degrees colder. Earth lay in the middle, its Goldilocks greenhouse effect just strong enough to support life.

We want to learn more about Earth’s climate, Jim told Anniek — and how humanity can influence it. He would use giant new supercomputers to map the planet’s atmosphere. They would create Mirror Worlds: parallel realities that mimicked our own. These digital simulacra, technically called “general circulation models,” combined the mathematical formulas that governed the behavior of the sea, land and sky into a single computer model. Unlike the real world, they could be sped forward to reveal the future.

The government officials, many of them scientists themselves, tried to suppress their awe of the legends in their presence: Henry Stommel, the world’s leading oceanographer; his protégé, Carl Wunsch, a Jason; the Manhattan Project alumnus Cecil Leith; the Harvard planetary physicist Richard Goody. These were the men who, in the last three decades, had discovered foundational principles underlying the relationships among sun, atmosphere, land and ocean — which is to say, the climate.

When, at Charney’s request, Hansen programmed his model to consider a future of doubled carbon dioxide, it predicted a temperature increase of four degrees Celsius. That was twice as much warming as the prediction made by the most prominent climate modeler, Syukuro Manabe, whose government lab at Princeton was the first to model the greenhouse effect. The difference between the two predictions — between warming of two degrees Celsius and four degrees Celsius — was the difference between damaged coral reefs and no reefs whatsoever, between thinning forests and forests enveloped by desert, between catastrophe and chaos.

The discrepancy between the models, Arakawa concluded, came down to ice and snow. The whiteness of the world’s snowfields reflected light; if snow melted in a warmer climate, less radiation would escape the atmosphere, leading to even greater warming. Shortly before dawn, Arakawa concluded that Manabe had given too little weight to the influence of melting sea ice, while Hansen had overemphasized it. The best estimate lay in between. Which meant that the Jasons’ calculation was too optimistic. When carbon dioxide doubled in 2035 or thereabouts, global temperatures would increase between 1.5 and 4.5 degrees Celsius, with the most likely outcome a warming of three degrees.

within the highest levels of the federal government, the scientific community and the oil-and-gas industry — within the commonwealth of people who had begun to concern themselves with the future habitability of the planet — the Charney report would come to have the authority of settled fact. It was the summation of all the predictions that had come before, and it would withstand the scrutiny of the decades that followed it. Charney’s group had considered everything known about ocean, sun, sea, air and fossil fuels and had distilled it to a single number: three. When the doubling threshold was broached, as appeared inevitable, the world would warm three degrees Celsius

The last time the world was three degrees warmer was during the Pliocene, three million years ago, when beech trees grew in Antarctica, the seas were 80 feet higher and horses galloped across the Canadian coast of the Arctic Ocean.

After the publication of the Charney report, Exxon decided to create its own dedicated carbon-dioxide research program, with an annual budget of $600,000. Only Exxon was asking a slightly different question than Jule Charney. Exxon didn’t concern itself primarily with how much the world would warm. It wanted to know how much of the warming Exxon could be blamed for.

“It behooves us to start a very aggressive defensive program,” Shaw wrote in a memo to a manager, “because there is a good probability that legislation affecting our business will be passed.”

Shaw turned to Wallace Broecker, a Columbia University oceanographer who was the second author of Roger Revelle’s 1965 carbon-dioxide report for Lyndon Johnson. In 1977, in a presentation at the American Geophysical Union, Broecker predicted that fossil fuels would have to be restricted, whether by taxation or fiat. More recently, he had testified before Congress, calling carbon dioxide “the No.1 long-term environmental problem.” If presidents and senators trusted Broecker to tell them the bad news, he was good enough for Exxon.

The company had been studying the carbon-dioxide problem for decades, since before it changed its name to Exxon. In 1957, scientists from Humble Oil published a study tracking “the enormous quantity of carbon dioxide” contributed to the atmosphere since the Industrial Revolution “from the combustion of fossil fuels.” Even then, the observation that burning fossil fuels had increased the concentration of carbon in the atmosphere was well understood and accepted by Humble’s scientists.

The American Petroleum Institute, the industry’s largest trade association, asked the same question in 1958 through its air-pollution study group and replicated the findings made by Humble Oil. So did another A.P.I. study conducted by the Stanford Research Institute a decade later, in 1968, which concluded that the burning of fossil fuels would bring “significant temperature changes” by the year 2000 and ultimately “serious worldwide environmental changes,” including the melting of the Antarctic ice cap and rising seas.

The ritual repeated itself every few years. Industry scientists, at the behest of their corporate bosses, reviewed the problem and found good reasons for alarm and better excuses to do nothing. Why should they act when almost nobody within the United States government — nor, for that matter, within the environmental movement — seemed worried?

Why take on an intractable problem that would not be detected until this generation of employees was safely retired? Worse, the solutions seemed more punitive than the problem itself. Historically, energy use had correlated to economic growth — the more fossil fuels we burned, the better our lives became. Why mess with that?

That June, Jimmy Carter signed the Energy Security Act of 1980, which directed the National Academy of Sciences to start a multiyear, comprehensive study, to be called “Changing Climate,” that would analyze social and economic effects of climate change. More urgent, the National Commission on Air Quality, at the request of Congress, invited two dozen experts, including Henry Shaw himself, to a meeting in Florida to propose climate policy.

On April 3, 1980, Senator Paul Tsongas, a Massachusetts Democrat, held the first congressional hearing on carbon-dioxide buildup in the atmosphere. Gordon MacDonald testified that the United States should “take the initiative” and develop, through the United Nations, a way to coordinate every nation’s energy policies to address the problem.

During the expansion of the Clean Air Act, he pushed for the creation of the National Commission on Air Quality, charged with ensuring that the goals of the act were being met. One such goal was a stable global climate. The Charney report had made clear that goal was not being met, and now the commission wanted to hear proposals for legislation. It was a profound responsibility, and the two dozen experts invited to the Pink Palace — policy gurus, deep thinkers, an industry scientist and an environmental activist — had only three days to achieve it, but the utopian setting made everything seem possible

We have less time than we realize, said an M.I.T. nuclear engineer named David Rose, who studied how civilizations responded to large technological crises. “People leave their problems until the 11th hour, the 59th minute,” he said. “And then: ‘Eloi, Eloi, Lama Sabachthani?’ ” — “My God, my God, why hast thou forsaken me?”

The attendees seemed to share a sincere interest in finding solutions. They agreed that some kind of international treaty would ultimately be needed to keep atmospheric carbon dioxide at a safe level. But nobody could agree on what that level was.

William Elliott, a NOAA scientist, introduced some hard facts: If the United States stopped burning carbon that year, it would delay the arrival of the doubling threshold by only five years. If Western nations somehow managed to stabilize emissions, it would forestall the inevitable by only eight years. The only way to avoid the worst was to stop burning coal. Yet China, the Soviet Union and the United States, by far the world’s three largest coal producers, were frantically accelerating extraction.

“Do we have a problem?” asked Anthony Scoville, a congressional science consultant. “We do, but it is not the atmospheric problem. It is the political problem.” He doubted that any scientific report, no matter how ominous its predictions, would persuade politicians to act.

The talk of ending oil production stirred for the first time the gentleman from Exxon. “I think there is a transition period,” Henry Shaw said. “We are not going to stop burning fossil fuels and start looking toward solar or nuclear fusion and so on. We are going to have a very orderly transition from fossil fuels to renewable energy sources.”

What if the problem was that they were thinking of it as a problem? “What I am saying,” Scoville continued, “is that in a sense we are making a transition not only in energy but the economy as a whole.” Even if the coal and oil industries collapsed, renewable technologies like solar energy would take their place. Jimmy Carter was planning to invest $80 billion in synthetic fuel. “My God,” Scoville said, “with $80 billion, you could have a photovoltaics industry going that would obviate the need for synfuels forever!”

nobody could agree what to do. John Perry, a meteorologist who had worked as a staff member on the Charney report, suggested that American energy policy merely “take into account” the risks of global warming, though he acknowledged that a nonbinding measure might seem “intolerably stodgy.” “It is so weak,” Pomerance said, the air seeping out of him, “as to not get us anywhere.”

Scoville pointed out that the United States was responsible for the largest share of global carbon emissions. But not for long. “If we’re going to exercise leadership,” he said, “the opportunity is now.

One way to lead, he proposed, would be to classify carbon dioxide as a pollutant under the Clean Air Act and regulate it as such. This was received by the room like a belch. By Scoville’s logic, every sigh was an act of pollution. Did the science really support such an extreme measure? The Charney report did exactly that, Pomerance said.

Slade, the director of the Energy Department’s carbon-dioxide program, considered the lag a saving grace. If changes did not occur for a decade or more, he said, those in the room couldn’t be blamed for failing to prevent them. So what was the problem?

“Call it whatever.” Besides, Pomerance added, they didn’t have to ban coal tomorrow. A pair of modest steps could be taken immediately to show the world that the United States was serious: the implementation of a carbon tax and increased investment in renewable energy. Then the United States could organize an international summit meeting to address climate change

these two dozen experts, who agreed on the major points and had made a commitment to Congress, could not draft a single paragraph. Hours passed in a hell of fruitless negotiation, self-defeating proposals and impulsive speechifying. Pomerance and Scoville pushed to include a statement calling for the United States to “sharply accelerate international dialogue,” but they were sunk by objections and caveats.

They never got to policy proposals. They never got to the second paragraph. The final statement was signed by only the moderator, who phrased it more weakly than the declaration calling for the workshop in the first place. “The guide I would suggest,” Jorling wrote, “is whether we know enough not to recommend changes in existing policy.”

Pomerance had seen enough. A consensus-based strategy would not work — could not work — without American leadership. And the United States wouldn’t act unless a strong leader persuaded it to do so — someone who would speak with authority about the science, demand action from those in power and risk everything in pursuit of justice.

The meeting ended Friday morning. On Tuesday, four days later, Ronald Reagan was elected president.

‘Otherwise, They’ll Gurgle’ November 1980-September 1981

In the midst of this carnage, the Council on Environmental Quality submitted a report to the White House warning that fossil fuels could “permanently and disastrously” alter Earth’s atmosphere, leading to “a warming of the Earth, possibly with very serious effects.” Reagan did not act on the council’s advice. Instead, his administration considered eliminating the council.

After the election, Reagan considered plans to close the Energy Department, increase coal production on federal land and deregulate surface coal mining. Once in office, he appointed James Watt, the president of a legal firm that fought to open public lands to mining and drilling, to run the Interior Department. “We’re deliriously happy,” the president of the National Coal Association was reported to have said. Reagan preserved the E.P.A. but named as its administrator Anne Gorsuch, an anti-regulation zealot who proceeded to cut the agency’s staff and budget by about a quarter

Reagan “has declared open war on solar energy,” the director of the nation’s lead solar-energy research agency said, after he was asked to resign). Reagan appeared determined to reverse the environmental achievements of Jimmy Carter, before undoing those of Richard Nixon, Lyndon Johnson, John F. Kennedy and, if he could get away with it, Theodore Roosevelt.

When Reagan considered closing the Council on Environmental Quality, its acting chairman, Malcolm Forbes Baldwin, wrote to the vice president and the White House chief of staff begging them to reconsider; in a major speech the same week, “A Conservative’s Program for the Environment,” Baldwin argued that it was “time for today’s conservatives explicitly to embrace environmentalism.” Environmental protection was not only good sense. It was good business. What could be more conservative than an efficient use of resources that led to fewer federal subsidies?

Meanwhile the Charney report continued to vibrate at the periphery of public consciousness. Its conclusions were confirmed by major studies from the Aspen Institute, the International Institute for Applied Systems Analysis near Vienna and the American Association for the Advancement of Science. Every month or so, nationally syndicated articles appeared summoning apocalypse: “Another Warning on ‘Greenhouse Effect,’ ” “Global Warming Trend ‘Beyond Human Experience,’ ” “Warming Trend Could ‘Pit Nation Against Nation.’

Pomerance read on the front page of The New York Times on Aug. 22, 1981, about a forthcoming paper in Science by a team of seven NASA scientists. They had found that the world had already warmed in the past century. Temperatures hadn’t increased beyond the range of historical averages, but the scientists predicted that the warming signal would emerge from the noise of routine weather fluctuations much sooner than previously expected. Most unusual of all, the paper ended with a policy recommendation: In the coming decades, the authors wrote, humankind should develop alternative sources of energy and use fossil fuels only “as necessary.” The lead author was James Hansen.

Pomerance listened and watched. He understood Hansen’s basic findings well enough: Earth had been warming since 1880, and the warming would reach “almost unprecedented magnitude” in the next century, leading to the familiar suite of terrors, including the flooding of a 10th of New Jersey and a quarter of Louisiana and Florida. But Pomerance was excited to find that Hansen could translate the complexities of atmospheric science into plain English.

7. ‘We’re All Going to Be the Victims’ March 1982

Gore had learned about climate change a dozen years earlier as an undergraduate at Harvard, when he took a class taught by Roger Revelle. Humankind was on the brink of radically transforming the global atmosphere, Revelle explained, drawing Keeling’s rising zigzag on the blackboard, and risked bringing about the collapse of civilization. Gore was stunned: Why wasn’t anyone talking about this?

Most in Congress considered the science committee a legislative backwater, if they considered it at all; this made Gore’s subcommittee, which had no legislative authority, an afterthought to an afterthought. That, Gore vowed, would change. Environmental and health stories had all the elements of narrative drama: villains, victims and heroes. In a hearing, you could summon all three, with the chairman serving as narrator, chorus and moral authority. He told his staff director that he wanted to hold a hearing every week.

The Revelle hearing went as Grumbly had predicted. The urgency of the issue was lost on Gore’s older colleagues, who drifted in and out while the witnesses testified. There were few people left by the time the Brookings Institution economist Lester Lave warned that humankind’s profligate exploitation of fossil fuels posed an existential test to human nature. “Carbon dioxide stands as a symbol now of our willingness to confront the future,” he said. “It will be a sad day when we decide that we just don’t have the time or thoughtfulness to address those issues.”

That night, the news programs featured the resolution of the baseball strike, the ongoing budgetary debate and the national surplus of butter.

There emerged, despite the general comity, a partisan divide. Unlike the Democrats, the Republicans demanded action. “Today I have a sense of déjà vu,” said Robert Walker, a Republican from Pennsylvania. In each of the last five years, he said, “we have been told and told and told that there is a problem with the increasing carbon dioxide in the atmosphere. We all accept that fact, and we realize that the potential consequences are certainly major in their impact on mankind.” Yet they had failed to propose a single law. “Now is the time,” he said. “The research is clear. It is up to us now to summon the political will.”

Hansen flew to Washington to testify on March 25, 1982, performing before a gallery even more thinly populated than at Gore’s first hearing on the greenhouse effect. Gore began by attacking the Reagan administration for cutting funding for carbon-dioxide research despite the “broad consensus in the scientific community that the greenhouse effect is a reality.” William Carney, a Republican from New York, bemoaned the burning of fossil fuels and argued passionately that science should serve as the basis for legislative policy

the experts invited by Gore agreed with the Republicans: The science was certain enough. Melvin Calvin, a Berkeley chemist who won the Nobel Prize for his work on the carbon cycle, said that it was useless to wait for stronger evidence of warming. “You cannot do a thing about it when the signals are so big that they come out of the noise,” he said. “You have to look for early warning signs.”

Hansen’s job was to share the warning signs, to translate the data into plain English. He explained a few discoveries that his team had made — not with computer models but in libraries. By analyzing records from hundreds of weather stations, he found that the surface temperature of the planet had already increased four-tenths of a degree Celsius in the previous century. Data from several hundred tide-gauge stations showed that the oceans had risen four inches since the 1880s

It occurred to Hansen that this was the only political question that mattered: How long until the worst began? It was not a question on which geophysicists expended much effort; the difference between five years and 50 years in the future was meaningless in geologic time. Politicians were capable of thinking only in terms of electoral time: six years, four years, two years. But when it came to the carbon problem, the two time schemes were converging.

“Within 10 or 20 years,” Hansen said, “we will see climate changes which are clearly larger than the natural variability.” James Scheuer wanted to make sure he understood this correctly. No one else had predicted that the signal would emerge that quickly. “If it were one or two degrees per century,” he said, “that would be within the range of human adaptability. But we are pushing beyond the range of human adaptability.” “Yes,” Hansen said.

How soon, Scheuer asked, would they have to change the national model of energy production? Hansen hesitated — it wasn’t a scientific question. But he couldn’t help himself. He had been irritated, during the hearing, by all the ludicrous talk about the possibility of growing more trees to offset emissions. False hopes were worse than no hope at all: They undermined the prospect of developing real solutions. “That time is very soon,” Hansen said finally. “My opinion is that it is past,” Calvin said, but he was not heard because he spoke from his seat. He was told to speak into the microphone. “It is already later,” Calvin said, “than you think.”

From Gore’s perspective, the hearing was an unequivocal success. That night Dan Rather devoted three minutes of “CBS Evening News” to the greenhouse effect. A correspondent explained that temperatures had increased over the previous century, great sheets of pack ice in Antarctica were rapidly melting, the seas were rising; Calvin said that “the trend is all in the direction of an impending catastrophe”; and Gore mocked Reagan for his shortsightedness. Later, Gore could take credit for protecting the Energy Department’s carbon-dioxide program, which in the end was largely preserved.

8. ‘The Direction of an Impending Catastrophe’ 1982

Following Henry Shaw’s recommendation to establish credibility ahead of any future legislative battles, Exxon had begun to spend conspicuously on global-warming research. It donated tens of thousands of dollars to some of the most prominent research efforts, including one at Woods Hole led by the ecologist George Woodwell, who had been calling for major climate policy as early as the mid-1970s, and an international effort coordinated by the United Nations. Now Shaw offered to fund the October 1982 symposium on climate change at Columbia’s Lamont-Doherty campus.

David boasted that Exxon would usher in a new global energy system to save the planet from the ravages of climate change. He went so far as to argue that capitalism’s blind faith in the wisdom of the free market was “less than satisfying” when it came to the greenhouse effect. Ethical considerations were necessary, too. He pledged that Exxon would revise its corporate strategy to account for climate change, even if it were not “fashionable” to do so. As Exxon had already made heavy investments in nuclear and solar technology, he was “generally upbeat” that Exxon would “invent” a future of renewable energy.

Hansen had reason to feel upbeat himself. If the world’s largest oil-and-gas company supported a new national energy model, the White House would not stand in its way. The Reagan administration was hostile to change from within its ranks. But it couldn’t be hostile to Exxon.

The carbon-dioxide issue was beginning to receive major national attention — Hansen’s own findings had become front-page news, after all. What started as a scientific story was turning into a political story.

The political realm was itself a kind of Mirror World, a parallel reality that crudely mimicked our own. It shared many of our most fundamental laws, like the laws of gravity and inertia and publicity. And if you applied enough pressure, the Mirror World of politics could be sped forward to reveal a new future. Hansen was beginning to understand that too.

1. ‘Caution, Not Panic’ 1983-1984

in the fall of 1983, the climate issue entered an especially long, dark winter. And all because of a single report that had done nothing to change the state of climate science but transformed the state of climate politics.

After the publication of the Charney report in 1979, Jimmy Carter had directed the National Academy of Sciences to prepare a comprehensive, $1 million analysis of the carbon-dioxide problem: a Warren Commission for the greenhouse effect. A team of scientist-dignitaries — among them Revelle, the Princeton modeler Syukuro Manabe and the Harvard political economist Thomas Schelling, one of the intellectual architects of Cold War game theory — would review the literature, evaluate the consequences of global warming for the world order and propose remedies

Then Reagan won the White House.

the incipient report served as the Reagan administration’s answer to every question on the subject. There could be no climate policy, Fred Koomanoff and his associates said, until the academy ruled. In the Mirror World of the Reagan administration, the warming problem hadn’t been abandoned at all. A careful, comprehensive solution was being devised. Everyone just had to wait for the academy’s elders to explain what it was.

The committee’s chairman, William Nierenberg — a Jason, presidential adviser and director of Scripps, the nation’s pre-eminent oceanographic institution — argued that action had to be taken immediately, before all the details could be known with certainty, or else it would be too late.

Better to bet on American ingenuity to save the day. Major interventions in national energy policy, taken immediately, might end up being more expensive, and less effective, than actions taken decades in the future, after more was understood about the economic and social consequences of a warmer planet. Yes, the climate would change, mostly for the worst, but future generations would be better equipped to change with it.

Government officials who knew Nierenberg were not surprised by his conclusions: He was an optimist by training and experience, a devout believer in the doctrine of American exceptionalism, one of the elite class of scientists who had helped the nation win a global war, invent the most deadly weapon conceivable and create the booming aerospace and computer industries. America had solved every existential problem it had confronted over the previous generation; it would not be daunted by an excess of carbon dioxide. Nierenberg had also served on Reagan’s transition team. Nobody believed that he had been directly influenced by his political connections, but his views — optimistic about the saving graces of market forces, pessimistic about the value of government regulation — reflected all the ardor of his party.

That’s what Nierenberg wrote in “Changing Climate.” But it’s not what he said in the press interviews that followed. He argued the opposite: There was no urgent need for action. The public should not entertain the most “extreme negative speculations” about climate change (despite the fact that many of those speculations appeared in his report). Though “Changing Climate” urged an accelerated transition to renewable fuels, noting that it would take thousands of years for the atmosphere to recover from the damage of the last century, Nierenberg recommended “caution, not panic.” Better to wait and see

The damage of “Changing Climate” was squared by the amount of attention it received. Nierenberg’s speech in the Great Hall, being one-500th the length of the actual assessment, received 500 times the press coverage. As The Wall Street Journal put it, in a line echoed by trade journals across the nation: “A panel of top scientists has some advice for people worried about the much-publicized warming of the Earth’s climate: You can cope.”

On “CBS Evening News,” Dan Rather said the academy had given “a cold shoulder” to a grim, 200-page E.P.A. assessment published earlier that week (titled “Can We Delay a Greenhouse Warming?”; the E.P.A.’s answer, reduced to a word, was no). The Washington Post described the two reports, taken together, as “clarion calls to inaction.

George Keyworth II, Reagan’s science adviser. Keyworth used Nierenberg’s optimism as reason to discount the E.P.A.’s “unwarranted and unnecessarily alarmist” report and warned against taking any “near-term corrective action” on global warming. Just in case it wasn’t clear, Keyworth added, “there are no actions recommended other than continued research.”

Edward David Jr., two years removed from boasting of Exxon’s commitment to transforming global energy policy, told Science that the corporation had reconsidered. “Exxon has reverted to being mainly a supplier of conventional hydrocarbon fuels — petroleum products, natural gas and steam coal,” David said. The American Petroleum Institute canceled its own carbon-dioxide research program, too.

Exxon soon revised its position on climate-change research. In a presentation at an industry conference, Henry Shaw cited “Changing Climate” as evidence that “the general consensus is that society has sufficient time to technologically adapt to a CO₂ greenhouse effect.” If the academy had concluded that regulations were not a serious option, why should Exxon protest

2. ‘You Scientists Win’ 1985

3. The Size of The Human Imagination Spring-Summer 1986

Curtis Moore’s proposal: Use ozone to revive climate. The ozone hole had a solution — an international treaty, already in negotiation. Why not hitch the milk wagon to the bullet train? Pomerance was skeptical. The problems were related, sure: Without a reduction in CFC emissions, you didn’t have a chance of averting cataclysmic global warming. But it had been difficult enough to explain the carbon issue to politicians and journalists; why complicate the sales pitch? Then again, he didn’t see what choice he had. The Republicans controlled the Senate, and Moore was his connection to the Senate’s environmental committee.

Pomerance met with Senator John Chafee, a Republican from Rhode Island, and helped persuade him to hold a double-barreled hearing on the twin problems of ozone and carbon dioxide on June 10 and 11, 1986

F.Sherwood Rowland, Robert Watson, a NASA scientist, and Richard Benedick, the administration’s lead representative in international ozone negotiations, would discuss ozone; James Hansen, Al Gore, the ecologist George Woodwell and Carl Wunsch, a veteran of the Charney group, would testify about climate change.

As Pomerance had hoped, fear about the ozone layer ensured a bounty of press coverage for the climate-change testimony. But as he had feared, it caused many people to conflate the two crises. One was Peter Jennings, who aired the video on ABC’s “World News Tonight,” warning that the ozone hole “could lead to flooding all over the world, also to drought and to famine.”

The confusion helped: For the first time since the “Changing Climate” report, global-warming headlines appeared by the dozen. William Nierenberg’s “caution, not panic” line was inverted. It was all panic without a hint of caution: “A Dire Forecast for ‘Greenhouse’ Earth” (the front page of The Washington Post); “Scientists Predict Catastrophes in Growing Global Heat Wave” (Chicago Tribune); “Swifter Warming of Globe Foreseen” (The New York Times).

After three years of backsliding and silence, Pomerance was exhilarated to see interest in the issue spike overnight. Not only that: A solution materialized, and a moral argument was passionately articulated — by Rhode Island’s Republican senator no less. “Ozone depletion and the greenhouse effect can no longer be treated solely as important scientific questions,” Chafee said. “They must be seen as critical problems facing the nations of the world, and they are problems that demand solutions.”

The old canard about the need for more research was roundly mocked — by Woodwell, by a W.R.I. colleague named Andrew Maguire, by Senator George Mitchell, a Democrat from Maine. “Scientists are never 100 percent certain,” the Princeton historian Theodore Rabb testified. “That notion of total certainty is something too elusive ever to be sought.” As Pomerance had been saying since 1979, it was past time to act. Only now the argument was so broadly accepted that nobody dared object.

The ozone hole, Pomerance realized, had moved the public because, though it was no more visible than global warming, people could be made to see it. They could watch it grow on video. Its metaphors were emotionally wrought: Instead of summoning a glass building that sheltered plants from chilly weather (“Everything seems to flourish in there”), the hole evoked a violent rending of the firmament, inviting deathly radiation. Americans felt that their lives were in danger. An abstract, atmospheric problem had been reduced to the size of the human imagination. It had been made just small enough, and just large enough, to break through.

Four years after “Changing Climate,” two years after a hole had torn open the firmament and a month after the United States and more than three dozen other nations signed a treaty to limit use of CFCs, the climate-change corps was ready to celebrate. It had become conventional wisdom that climate change would follow ozone’s trajectory. Reagan’s E.P.A. administrator, Lee M. Thomas, said as much the day he signed the Montreal Protocol on Substances That Deplete the Ozone Layer (the successor to the Vienna Convention), telling reporters that global warming was likely to be the subject of a future international agreement

Congress had already begun to consider policy — in 1987 alone, there were eight days of climate hearings, in three committees, across both chambers of Congress; Senator Joe Biden, a Delaware Democrat, had introduced legislation to establish a national climate-change strategy. And so it was that Jim Hansen found himself on Oct. 27 in the not especially distinguished ballroom of the Quality Inn on New Jersey Avenue, a block from the Capitol, at “Preparing for Climate Change,” which was technically a conference but felt more like a wedding.

John Topping was an old-line Rockefeller Republican, a Commerce Department lawyer under Nixon and an E.P.A. official under Reagan. He first heard about the climate problem in the halls of the E.P.A. in 1982 and sought out Hansen, who gave him a personal tutorial. Topping was amazed to discover that out of the E.P.A.’s 13,000-person staff, only seven people, by his count, were assigned to work on climate, though he figured it was more important to the long-term security of the nation than every other environmental issue combined.

Glancing around the room, Jim Hansen could chart, like an arborist counting rings on a stump, the growth of the climate issue over the decade. Veterans like Gordon MacDonald, George Woodwell and the environmental biologist Stephen Schneider stood at the center of things. Former and current staff members from the congressional science committees (Tom Grumbly, Curtis Moore, Anthony Scoville) made introductions to the congressmen they advised. Hansen’s owlish nemesis Fred Koomanoff was present, as were his counterparts from the Soviet Union and Western Europe. Rafe Pomerance’s cranium could be seen above the crowd, but unusually he was surrounded by colleagues from other environmental organizations that until now had shown little interest in a diffuse problem with no proven fund-raising record. The party’s most conspicuous newcomers, however, the outermost ring, were the oil-and-gas executives.

That evening, as a storm spat and coughed outside, Rafe Pomerance gave one of his exhortative speeches urging cooperation among the various factions, and John Chafee and Roger Revelle received awards; introductions were made and business cards earnestly exchanged. Not even a presentation by Hansen of his research could sour the mood. The next night, on Oct. 28, at a high-spirited dinner party in Topping’s townhouse on Capitol Hill, the oil-and-gas men joked with the environmentalists, the trade-group representatives chatted up the regulators and the academics got merrily drunk. Mikhail Budyko, the don of the Soviet climatologists, settled into an extended conversation about global warming with Topping’s 10-year-old son. It all seemed like the start of a grand bargain, a uniting of factions — a solution.

Hansen was accustomed to the bureaucratic nuisances that attended testifying before Congress; before a hearing, he had to send his formal statement to NASA headquarters, which forwarded it to the White House’s Office of Management and Budget for approval. “Major greenhouse climate changes are a certainty,” he had written. “By the 2010s [in every scenario], essentially the entire globe has very substantial warming.”

By all appearances, plans for major policy continued to advance rapidly. After the Johnston hearing, Timothy Wirth, a freshman Democratic senator from Colorado on the energy committee, began to plan a comprehensive package of climate-change legislation — a New Deal for global warming. Wirth asked a legislative assistant, David Harwood, to consult with experts on the issue, beginning with Rafe Pomerance, in the hope of converting the science of climate change into a new national energy policy.

In March 1988, Wirth joined 41 other senators, nearly half of them Republicans, to demand that Reagan call for an international treaty modeled after the ozone agreement. Because the United States and the Soviet Union were the world’s two largest contributors of carbon emissions, responsible for about one-third of the world total, they should lead the negotiations. Reagan agreed. In May, he signed a joint statement with Mikhail Gorbachev that included a pledge to cooperate on global warming.

Al Gore himself had, for the moment, withdrawn his political claim to the issue. In 1987, at the age of 39, Gore announced that he was running for president, in part to bring attention to global warming, but he stopped emphasizing it after the subject failed to captivate New Hampshire primary voters.

5. ‘You Will See Things That You Shall Believe’ Summer 1988

It was the hottest and driest summer in history. Everywhere you looked, something was bursting into flames. Two million acres in Alaska incinerated, and dozens of major fires scored the West. Yellowstone National Park lost nearly one million acres. Smoke was visible from Chicago, 1,600 miles away.

In Nebraska, suffering its worst drought since the Dust Bowl, there were days when every weather station registered temperatures above 100 degrees. The director of the Kansas Department of Health and Environment warned that the drought might be the dawning of a climatic change that within a half century could turn the state into a desert.

On June 22 in Washington, where it hit 100 degrees, Rafe Pomerance received a call from Jim Hansen, who was scheduled to testify the following morning at a Senate hearing called by Timothy Wirth. “I hope we have good media coverage tomorrow,” Hansen said.

Hansen had just received the most recent global temperature data. Just over halfway into the year, 1988 was setting records. Already it had nearly clinched the hottest year in history. Ahead of schedule, the signal was emerging from the noise. “I’m going to make a pretty strong statement,” Hansen said.

Hansen returned to his testimony. He wrote: “The global warming is now large enough that we can ascribe with a high degree of confidence a cause-and-effect relationship to the greenhouse effect.” He wrote: “1988 so far is so much warmer than 1987, that barring a remarkable and improbable cooling, 1988 will be the warmest year on record.” He wrote: “The greenhouse effect has been detected, and it is changing our climate now.”

“We have only one planet,” Senator Bennett Johnston intoned. “If we screw it up, we have no place to go.” Senator Max Baucus, a Democrat from Montana, called for the United Nations Environment Program to begin preparing a global remedy to the carbon-dioxide problem. Senator Dale Bumpers, a Democrat of Arkansas, previewed Hansen’s testimony, saying that it “ought to be cause for headlines in every newspaper in America tomorrow morning.” The coverage, Bumpers emphasized, was a necessary precursor to policy. “Nobody wants to take on any of the industries that produce the things that we throw up into the atmosphere,” he said. “But what you have are all these competing interests pitted against our very survival.”

Hansen, wiping his brow, spoke without affect, his eyes rarely rising from his notes. The warming trend could be detected “with 99 percent confidence,” he said. “It is changing our climate now.” But he saved his strongest comment for after the hearing, when he was encircled in the hallway by reporters. “It is time to stop waffling so much,” he said, “and say that the evidence is pretty strong that the greenhouse effect is here.”

The press followed Bumpers’s advice. Hansen’s testimony prompted headlines in dozens of newspapers across the country, including The New York Times, which announced, across the top of its front page: “Global Warming Has Begun, Expert Tells Senate.”

Rafe Pomerance called his allies on Capitol Hill, the young staff members who advised politicians, organized hearings, wrote legislation. We need to finalize a number, he told them, a specific target, in order to move the issue — to turn all this publicity into policy. The Montreal Protocol had called for a 50 percent reduction in CFC emissions by 1998. What was the right target for carbon emissions? It wasn’t enough to exhort nations to do better. That kind of talk might sound noble, but it didn’t change investments or laws. They needed a hard goal — something ambitious but reasonable. And they needed it soon: Just four days after Hansen’s star turn, politicians from 46 nations and more than 300 scientists would convene in Toronto at the World Conference on the Changing Atmosphere, an event described by Philip Shabecoff of The New York Times as “Woodstock for climate change.”

Pomerance had a proposal: a 20 percent reduction in carbon emissions by 2000. Ambitious, Harwood said. In all his work planning climate policy, he had seen no assurance that such a steep drop in emissions was possible. Then again, 2000 was more than a decade off, so it allowed for some flexibility.

Mintzer pointed out that a 20 percent reduction was consistent with the academic literature on energy efficiency. Various studies over the years had shown that you could improve efficiency in most energy systems by roughly 20 percent if you adopted best practices.

Of course, with any target, you had to take into account the fact that the developing world would inevitably consume much larger quantities of fossil fuels by 2000. But those gains could be offset by a wider propagation of the renewable technologies already at hand — solar, wind, geothermal. It was not a rigorous scientific analysis, Mintzer granted, but 20 percent sounded plausible. We wouldn’t need to solve cold fusion or ask Congress to repeal the law of gravity. We could manage it with the knowledge and technology we already had.

Besides, Pomerance said, 20 by 2000 sounds good.

The conference’s final statement, signed by all 400 scientists and politicians in attendance, repeated the demand with a slight variation: a 20 percent reduction in carbon emissions by 2005. Just like that, Pomerance’s best guess became global diplomatic policy.

Hansen, emerging from Anniek’s successful cancer surgery, took it upon himself to start a one-man public information campaign. He gave news conferences and was quoted in seemingly every article about the issue; he even appeared on television with homemade props. Like an entrant at an elementary-school science fair, he made “loaded dice” out of sections of cardboard and colored paper to illustrate the increased likelihood of hotter weather in a warmer climate. Public awareness of the greenhouse effect reached a new high of 68 percent

global warming became a major subject of the presidential campaign. While Michael Dukakis proposed tax incentives to encourage domestic oil production and boasted that coal could satisfy the nation’s energy needs for the next three centuries, George Bush took advantage. “I am an environmentalist,” he declared on the shore of Lake Erie, the first stop on a five-state environmental tour that would take him to Boston Harbor, Dukakis’s home turf. “Those who think we are powerless to do anything about the greenhouse effect,” he said, “are forgetting about the White House effect.”

His running mate emphasized the ticket’s commitment to the issue at the vice-presidential debate. “The greenhouse effect is an important environmental issue,” Dan Quayle said. “We need to get on with it. And in a George Bush administration, you can bet that we will.”

This kind of talk roused the oil-and-gas men. “A lot of people on the Hill see the greenhouse effect as the issue of the 1990s,” a gas lobbyist told Oil & Gas Journal. Before a meeting of oil executives shortly after the “environmentalist” candidate won the election, Representative Dick Cheney, a Wyoming Republican, warned, “It’s going to be very difficult to fend off some kind of gasoline tax.” The coal industry, which had the most to lose from restrictions on carbon emissions, had moved beyond denial to resignation. A spokesman for the National Coal Association acknowledged that the greenhouse effect was no longer “an emerging issue. It is here already, and we’ll be hearing more and more about it.”

By the end of the year, 32 climate bills had been introduced in Congress, led by Wirth’s omnibus National Energy Policy Act of 1988. Co-sponsored by 13 Democrats and five Republicans, it established as a national goal an “International Global Agreement on the Atmosphere by 1992,” ordered the Energy Department to submit to Congress a plan to reduce energy use by at least 2 percent a year through 2005 and directed the Congressional Budget Office to calculate the feasibility of a carbon tax. A lawyer for the Senate energy committee told an industry journal that lawmakers were “frightened” by the issue and predicted that Congress would eventually pass significant legislation after Bush took office

The other great powers refused to wait. The German Parliament created a special commission on climate change, which concluded that action had to be taken immediately, “irrespective of any need for further research,” and that the Toronto goal was inadequate; it recommended a 30 percent reduction of carbon emissions

Margaret Thatcher, who had studied chemistry at Oxford, warned in a speech to the Royal Society that global warming could “greatly exceed the capacity of our natural habitat to cope” and that “the health of the economy and the health of our environment are totally dependent upon each other.”

The prime ministers of Canada and Norway called for a binding international treaty on the atmosphere; Sweden’s Parliament went further, announcing a national strategy to stabilize emissions at the 1988 level and eventually imposing a carbon tax

the United Nations unanimously endorsed the establishment, by the World Meteorological Organization and the United Nations Environment Program, of an Intergovernmental Panel on Climate Change, composed of scientists and policymakers, to conduct scientific assessments and develop global climate policy.

One of the I.P.C.C.’s first sessions to plan an international treaty was hosted by the State Department, 10 days after Bush’s inauguration. James Baker chose the occasion to make his first speech as secretary of state. “We can probably not afford to wait until all of the uncertainties about global climate change have been resolved,” he said. “Time will not make the problem go away.”

: On April 14, 1989, a bipartisan group of 24 senators, led by the majority leader, George Mitchell, requested that Bush cut emissions in the United States even before the I.P.C.C.’s working group made its recommendation. “We cannot afford the long lead times associated with a comprehensive global agreement,” the senators wrote. Bush had promised to combat the greenhouse effect with the White House effect. The self-proclaimed environmentalist was now seated in the Oval Office. It was time.

8. ‘You Never Beat The White House’ April 1989

After Jim Baker gave his boisterous address to the I.P.C.C. working group at the State Department, he received a visit from John Sununu, Bush’s chief of staff. Leave the science to the scientists, Sununu told Baker. Stay clear of this greenhouse-effect nonsense. You don’t know what you’re talking about. Baker, who had served as Reagan’s chief of staff, didn’t speak about the subject again.

despite his reputation as a political wolf, he still thought of himself as a scientist — an “old engineer,” as he was fond of putting it, having earned a Ph.D. in mechanical engineering from M.I.T. decades earlier. He lacked the reflexive deference that so many of his political generation reserved for the class of elite government scientists.

Since World War II, he believed, conspiratorial forces had used the imprimatur of scientific knowledge to advance an “anti-growth” doctrine. He reserved particular disdain for Paul Ehrlich’s “The Population Bomb,” which prophesied that hundreds of millions of people would starve to death if the world took no step to curb population growth; the Club of Rome, an organization of European scientists, heads of state and economists, which similarly warned that the world would run out of natural resources; and as recently as the mid-’70s, the hypothesis advanced by some of the nation’s most celebrated scientists — including Carl Sagan, Stephen Schneider and Ichtiaque Rasool — that a new ice age was dawning, thanks to the proliferation of man-made aerosols. All were theories of questionable scientific merit, portending vast, authoritarian remedies to halt economic progress.

When Mead talked about “far-reaching” decisions and “long-term consequences,” Sununu heard the marching of jackboots.

Sununu had suspected that the greenhouse effect belonged to this nefarious cabal since 1975, when the anthropologist Margaret Mead convened a symposium on the subject at the National Institute of Environmental Health Sciences.

While Sununu and Darman reviewed Hansen’s statements, the E.P.A. administrator, William K. Reilly, took a new proposal to the White House. The next meeting of the I.P.C.C.’s working group was scheduled for Geneva the following month, in May; it was the perfect occasion, Reilly argued, to take a stronger stand on climate change. Bush should demand a global treaty to reduce carbon emissions.

Sununu wouldn’t budge. He ordered the American delegates not to make any commitment in Geneva. Very soon after that, someone leaked the exchange to the press.

A deputy of Jim Baker pulled Reilly aside. He said he had a message from Baker, who had observed Reilly’s infighting with Sununu. “In the long run,” the deputy warned Reilly, “you never beat the White House.”

9. ‘A Form of Science Fraud’ May 1989

The cameras followed Hansen and Gore into the marbled hallway. Hansen insisted that he wanted to focus on the science. Gore focused on the politics. “I think they’re scared of the truth,” he said. “They’re scared that Hansen and the other scientists are right and that some dramatic policy changes are going to be needed, and they don’t want to face up to it.”

The censorship did more to publicize Hansen’s testimony and the dangers of global warming than anything he could have possibly said. At the White House briefing later that morning, Press Secretary Marlin Fitzwater admitted that Hansen’s statement had been changed. He blamed an official “five levels down from the top” and promised that there would be no retaliation. Hansen, he added, was “an outstanding and distinguished scientist” and was “doing a great job.”

10. The White House Effect Fall 1989

The Los Angeles Times called the censorship “an outrageous assault.” The Chicago Tribune said it was the beginning of “a cold war on global warming,” and The New York Times warned that the White House’s “heavy-handed intervention sends the signal that Washington wants to go slow on addressing the greenhouse problem.”

Darman went to see Sununu. He didn’t like being accused of censoring scientists. They needed to issue some kind of response. Sununu called Reilly to ask if he had any ideas. We could start, Reilly said, by recommitting to a global climate treaty. The United States was the only Western nation on record as opposing negotiations.

Sununu sent a telegram to Geneva endorsing a plan “to develop full international consensus on necessary steps to prepare for a formal treaty-negotiating process. The scope and importance of this issue are so great that it is essential for the U.S. to exercise leadership.”

Sununu seethed at any mention of the subject. He had taken it upon himself to study more deeply the greenhouse effect; he would have a rudimentary, one-dimensional general circulation model installed on his personal desktop computer. He decided that the models promoted by Jim Hansen were a lot of bunk. They were horribly imprecise in scale and underestimated the ocean’s ability to mitigate warming. Sununu complained about Hansen to D. Allan Bromley, a nuclear physicist from Yale who, at Sununu’s recommendation, was named Bush’s science adviser. Hansen’s findings were “technical poppycock” that didn’t begin to justify such wild-eyed pronouncements that “the greenhouse effect is here” or that the 1988 heat waves could be attributed to global warming, let alone serve as the basis for national economic policy.

When a junior staff member in the Energy Department, in a meeting at the White House with Sununu and Reilly, mentioned an initiative to reduce fossil-fuel use, Sununu interrupted her. “Why in the world would you need to reduce fossil-fuel use?” he asked. “Because of climate change,” the young woman replied. “I don’t want anyone in this administration without a scientific background using ‘climate change’ or ‘global warming’ ever again,” he said. “If you don’t have a technical basis for policy, don’t run around making decisions on the basis of newspaper headlines.” After the meeting, Reilly caught up to the staff member in the hallway. She was shaken. Don’t take it personally, Reilly told her. Sununu might have been looking at you, but that was directed at me.

Reilly, for his part, didn’t entirely blame Sununu for Bush’s indecision on the prospect of a climate treaty. The president had never taken a vigorous interest in global warming and was mainly briefed about it by nonscientists. Bush had brought up the subject on the campaign trail, in his speech about the White House effect, after leafing through a briefing booklet for a new issue that might generate some positive press. When Reilly tried in person to persuade him to take action, Bush deferred to Sununu and Baker. Why don’t the three of you work it out, he said. Let me know when you decide

Relations between Sununu and Reilly became openly adversarial. Reilly, Sununu thought, was a creature of the environmental lobby. He was trying to impress his friends at the E.P.A. without having a basic grasp of the science himself.

Pomerance had the sinking feeling that the momentum of the previous year was beginning to flag. The censoring of Hansen’s testimony and the inexplicably strident opposition from John Sununu were ominous signs. So were the findings of a report Pomerance had commissioned, published in September by the World Resources Institute, tracking global greenhouse-gas emissions. The United States was the largest contributor by far, producing nearly a quarter of the world’s carbon emissions, and its contribution was growing faster than that of every other country. Bush’s indecision, or perhaps inattention, had already managed to delay the negotiation of a global climate treaty until 1990 at the earliest, perhaps even 1991. By then, Pomerance worried, it would be too late.

Pomerance tried to be more diplomatic. “The president made a commitment to the American people to deal with global warming,” he told The Washington Post, “and he hasn’t followed it up.” He didn’t want to sound defeated. “There are some good building blocks here,” Pomerance said, and he meant it. The Montreal Protocol on CFCs wasn’t perfect at first, either — it had huge loopholes and weak restrictions. Once in place, however, the restrictions could be tightened. Perhaps the same could happen with climate change. Perhaps. Pomerance was not one for pessimism. As William Reilly told reporters, dutifully defending the official position forced upon him, it was the first time that the United States had formally endorsed the concept of an emissions limit. Pomerance wanted to believe that this was progress.

All week in Noordwijk, Becker couldn’t stop talking about what he had seen in Zeeland. After a flood in 1953, when the sea swallowed much of the region, killing more than 2,000 people, the Dutch began to build the Delta Works, a vast concrete-and-steel fortress of movable barriers, dams and sluice gates — a masterpiece of human engineering. The whole system could be locked into place within 90 minutes, defending the land against storm surge. It reduced the country’s exposure to the sea by 700 kilometers, Becker explained. The United States coastline was about 153,000 kilometers long. How long, he asked, was the entire terrestrial coastline? Because the whole world was going to need this. In Zeeland, he said, he had seen the future.

Ken Caldeira, a climate scientist at the Carnegie Institution for Science in Stanford, Calif., has a habit of asking new graduate students to name the largest fundamental breakthrough in climate physics since 1979. It’s a trick question. There has been no breakthrough. As with any mature scientific discipline, there is only refinement. The computer models grow more precise; the regional analyses sharpen; estimates solidify into observational data. Where there have been inaccuracies, they have tended to be in the direction of understatement.

More carbon has been released into the atmosphere since the final day of the Noordwijk conference, Nov. 7, 1989, than in the entire history of civilization preceding it

Despite every action taken since the Charney report — the billions of dollars invested in research, the nonbinding treaties, the investments in renewable energy — the only number that counts, the total quantity of global greenhouse gas emitted per year, has continued its inexorable rise.

When it comes to our own nation, which has failed to make any binding commitments whatsoever, the dominant narrative for the last quarter century has concerned the efforts of the fossil-fuel industries to suppress science, confuse public knowledge and bribe politicians.

The mustache-twirling depravity of these campaigns has left the impression that the oil-and-gas industry always operated thus; while the Exxon scientists and American Petroleum Institute clerics of the ’70s and ’80s were hardly good Samaritans, they did not start multimillion-dollar disinformation campaigns, pay scientists to distort the truth or try to brainwash children in elementary schools, as their successors would.

It was James Hansen’s testimony before Congress in 1988 that, for the first time since the “Changing Climate” report, made oil-and-gas executives begin to consider the issue’s potential to hurt their profits. Exxon, as ever, led the field. Six weeks after Hansen’s testimony, Exxon’s manager of science and strategy development, Duane LeVine, prepared an internal strategy paper urging the company to “emphasize the uncertainty in scientific conclusions.” This shortly became the default position of the entire sector. LeVine, it so happened, served as chairman of the global petroleum industry’s Working Group on Global Climate Change, created the same year, which adopted Exxon’s position as its own

The American Petroleum Institute, after holding a series of internal briefings on the subject in the fall and winter of 1988, including one for the chief executives of the dozen or so largest oil companies, took a similar, if slightly more diplomatic, line. It set aside money for carbon-dioxide policy — about $100,000, a fraction of the millions it was spending on the health effects of benzene, but enough to establish a lobbying organization called, in an admirable flourish of newspeak, the Global Climate Coalition.

The G.C.C. was conceived as a reactive body, to share news of any proposed regulations, but on a whim, it added a press campaign, to be coordinated mainly by the A.P.I. It gave briefings to politicians known to be friendly to the industry and approached scientists who professed skepticism about global warming. The A.P.I.’s payment for an original op-ed was $2,000.

It was joined by the U.S. Chamber of Commerce and 14 other trade associations, including those representing the coal, electric-grid and automobile industries

In October 1989, scientists allied with the G.C.C. began to be quoted in national publications, giving an issue that lacked controversy a convenient fulcrum. “Many respected scientists say the available evidence doesn’t warrant the doomsday warnings,” was the caveat that began to appear in articles on climate change.

The following year, when President Bill Clinton proposed an energy tax in the hope of meeting the goals of the Rio treaty, the A.P.I. invested $1.8 million in a G.C.C. disinformation campaign. Senate Democrats from oil-and-coal states joined Republicans to defeat the tax proposal, which later contributed to the Republicans’ rout of Democrats in the midterm congressional elections in 1994 — the first time the Republican Party had won control of both houses in 40 years

The G.C.C. spent $13 million on a single ad campaign intended to weaken support for the 1997 Kyoto Protocol, which committed its parties to reducing greenhouse-gas emissions by 5 percent relative to 1990 levels. The Senate, which would have had to ratify the agreement, took a pre-emptive vote declaring its opposition; the resolution passed 95-0. There has never been another serious effort to negotiate a binding global climate treaty.

. This has made the corporation an especially vulnerable target for the wave of compensatory litigation that began in earnest in the last three years and may last a generation. Tort lawsuits have become possible only in recent years, as scientists have begun more precisely to attribute regional effects to global emission levels. This is one subfield of climate science that has advanced significantly sin

Pomerance had not been among the 400 delegates invited to Noordwijk. But together with three young activists — Daniel Becker of the Sierra Club, Alden Meyer of the Union of Concerned Scientists and Stewart Boyle from Friends of the Earth — he had formed his own impromptu delegation. Their constituency, they liked to say, was the climate itself. Their mission was to pressure the delegates to include in the final conference statement, which would be used as the basis for a global treaty, the target proposed in Toronto: a 20 percent reduction of greenhouse-gas combustion by 2005. It was the only measure that mattered, the amount of emissions reductions, and the Toronto number was the strongest global target yet proposed.

The delegations would review the progress made by the I.P.C.C. and decide whether to endorse a framework for a global treaty. There was a general sense among the delegates that they would, at minimum, agree to the target proposed by the host, the Dutch environmental minister, more modest than the Toronto number: a freezing of greenhouse-gas emissions at 1990 levels by 2000. Some believed that if the meeting was a success, it would encourage the I.P.C.C. to accelerate its negotiations and reach a decision about a treaty sooner. But at the very least, the world’s environmental ministers should sign a statement endorsing a hard, binding target of emissions reductions. The mood among the delegates was electric, nearly giddy — after more than a decade of fruitless international meetings, they could finally sign an agreement that meant something.

11. ‘The Skunks at The Garden Party’ November 1989

It was nearly freezing — Nov. 6, 1989, on the coast of the North Sea in the Dutch resort town of Noordwijk

Losing Earth: The Decade WeAlmost Stopped Climate Change We knew everything we needed to know, and nothing stood in our way. Nothing, that is, except ourselves. A tragedy in two acts. By Nathaniel RichPhotographs and Videos by George Steinmetz AUG. 1, 2018

During 1754 and 1755, the French won a string of victories, defeating in quick succession the young George Washington, Gen. Edward Braddock and Braddock’s successor, Governor William Shirley of Massachusetts. In 1755, Governor Shirley, fearing that the French settlers in Nova Scotia (Acadia) would side with France in any military confrontation, expelled hundreds of them to other British colonies; many of the exiles suffered cruelly. Throughout this period, the British military effort was hampered by lack of interest at home, rivalries among the American colonies and France’s greater success in winning the support of the Indians. 

The tide turned in 1757 because William Pitt, the new British leader, saw the colonial conflicts as the key to building a vast British empire. Borrowing heavily to finance the war, he paid Prussia to fight in Europe and reimbursed the colonies for raising troops in North America. 

In July 1758, the British won their first great victory at Louisbourg, near the mouth of the St. Lawrence River. A month later, they took Fort Frontenac at the western end of the river. 

The British then closed in on Quebec, where Gen. James Wolfe won a spectacular victory in the Battle of Quebec on the Plains of Abraham in September of 1759 (though both he and the French commander, the Marquis de Montcalm, were fatally wounded). 

The arrangement strengthened the American colonies significantly by removing their European rivals to the

north and south and opening the Mississippi Valley to westward expansion.

The British crown borrowed heavily from British and Dutch bankers to bankroll the war, doubling British national debt. King George II argued that since the French and Indian War benefited the colonists by securing their borders, they should contribute to paying down the war debt.To defend his newly won territory from future attacks, King George II also decided to install permanent British army units in the Americas, which required additional sources of revenue.

Fifteen years after the Treaty of Paris, French bitterness over the loss of most of their colonial empire contributed to their intervention on the side of the colonists in the Revolutionary War.

In the movie, one scene has J. Robert Oppenheimer, director of the laboratory, seeking to reassure his boss, Gen. Leslie Groves, on the eve of the test. Upon investigation, Oppenheimer tells him, physicists have concluded that the chances the test detonation will destroy the world are “near zero.” Realizing the news has alarmed, not reassured, the general, Oppenheimer asks, “What do you want from theory alone?”“Zero would be nice,” the general replies.

no physicists or historians interviewed for this story recalled coming across any mention of such a conversation between Oppenheimer and the general in the historical record.

Still, the discussions and calculations persisted long after the Trinity test. In 1946, three Manhattan project scientists, including Teller, who would later become known as the father of the hydrogen bomb, wrote a report concluding that the explosive force of the first atomic bomb wasn’t even close to what would be required to trigger a planet-destroying chain reaction in air. The report was not declassified until 1973.

At a conference in the summer of 1942, almost a full year before Los Alamos opened, physicist Edward Teller raised the possibility of atomic bombs igniting Earth’s oceans or atmosphere. According to Rhodes’s account, Hans Bethe, who headed the theoretical division at Los Alamos, “didn’t believe it from the first minute” but nonetheless performed the calculations convincing the other physicists that such a disaster was not a reasonable possibility.

“I don’t think any physicists seriously worried about it,” said John Preskill, a professor of theoretical physics at California Institute of Technology.

“Did the actual exchange happen at that moment? No, I don’t think so,” said Alex Wellerstein, an associate professor at Stevens Institute of Technology in Hoboken, N.J., and author of the 2021 book, “Restricted Data: The History of Nuclear Secrecy in the United States.”“But were there discussions like that? I believe so,” he added.

A 1979 study by scientists at the University of California’s Lawrence Livermore Laboratory examined the question of whether a nuclear explosion might trigger a runaway reaction in the atmosphere or oceans. In page after page of mathematical equations, the scientists described a complex set of factors that made atmospheric ignition effectively impossible.

As outlandish as the notion was to many scientists, the nuclear research organization CERN felt obliged to deal with the fear, noting on its website that “some theories suggest that the formation of tiny ‘quantum’ black holes may be possible. The observation of such an event would be thrilling in terms of our understanding of the Universe; and would be perfectly safe.”

Dudley’s essay also recounted a story that on the day of the test, “as zero hour approached” Gen. Groves was annoyed to find Manhattan Project physicist and Nobel Prize winner Enrico Fermi making bets with colleagues about whether the bomb would ignite the atmosphere, “and, if so, whether it would destroy only New Mexico ― or the entire world.” (Some experts have suggested Fermi’s actions may have been more of a joke, or an example of gallows humor.)

Fascination with this doomsday scenario may stem, at least in part, from a misunderstanding of what physicists mean when they say “near zero.” The branch of physics known as quantum mechanics, which deals with matter and light at the atomic and subatomic scale, does not rule out any possibilities.

For example, if a boy tosses a rubber ball at a brick wall, there is an exceedingly remote — but still valid — possibility that instead of watching the ball bounce back, he could see it pass through the wall.

Aditi Verma, an assistant professor of nuclear engineering and radiological sciences at the University of Michigan, put it this way: “What a physicist means by ‘near zero’ would be zero to an engineer.”

In the 2000s, scientists encountered a similar problem of terminology as they prepared to generate high-speed particle collisions at the Large Hadron Collider in Geneva. Talk surfaced that the activity might generate a black hole that would devour Earth.

Probably the easiest to grasp is the fact that, even under the harshest scenarios, far more energy would be lost in the explosion than gained, wiping out any chance to sustain a chain reaction.

In other words, any black hole created by the collider would be far too small to pose any risk to the planet.Scientists say such disaster scenarios are sometimes the price of crossing new thresholds of discovery.

“You don’t often talk in certainties,” he said. “You talk in probabilities. If you haven’t done the experiment, you are hesitant to say ‘This is impossible. It will never happen.’ … It was good to think it through.”

Rhodes added that he hopes the “Oppenheimer” movie will not lead people to doubt the scientists on the Manhattan Project.“They knew what they were doing,” he said. “They were not feeling around in the dark.”

After Szilard lobbied Oppenheimer unsuccessfully to oppose the use of his terrible creation, he recorded a weird, curiously believable conversation. “Oppie” told the Hungarian enigmatically: “The atomic bomb is shit.” When Szilard asked what he meant by that, Oppenheimer replied: “Well, this is a weapon which has no military significance. It will make a big bang — a very big bang — but it is not a weapon which is useful in war.”

Richard Rhodes, perhaps the best historian of the Bomb project, wrote in 1986: “Oppenheimer did not doubt that he would be remembered to some degree, and reviled, as the man who led the work of bringing to mankind for the first time in its history the means of its own destruction.” Yet its fulfilment became his obsession.

Oppenheimer seemed untroubled by misgivings. He merely drove his team with a brilliance that inspired hero-worship from his colleague Edward Teller. “Oppie knew in detail what was happening in every part of the laboratory. He was incredibly quick and perceptive in analysing human as well as technical problems . . . He knew how to organise, cajole, humour, soothe feelings — how to lead powerfully without seeming to do so.”

it was not him but the brutish Groves who was mandated by the US chiefs of staff to orchestrate the dropping of the two bombs, after the successful Alamogordo test. On August 6 Groves called Oppenheimer from Washington to report the destruction of Hiroshima. The scientist said: “Well, everybody is feeling reasonably good about it and I extend my heartiest congratulations. It’s been a long road.”

The general said: “Yes, it has been a long road and I think one of the wisest things I ever did was when I selected the director of Los Alamos.” Oppenheimer responded: “Well, I have my doubts, General Groves.”

. In the weeks that followed, Oppenheimer became prey to spasms of remorse, although his attitude was always ambiguous, confusing to others and perhaps to himself.

When Teller asked him to work on further developments of nuclear weapons, Oppenheimer said flatly: “I neither can nor will do so.” He left Los Alamos in October 1945, saying that pride in the laboratory’s achievement must be “tempered with concern . . . The peoples of the world must unite or they will perish.”

Curtis LeMay, the US air force chief who directed the firebombing of Japanese cities by B-29 Superfortresses that killed 300,000 Japanese before the first atomic bomb was dropped, said impenitently after the war: “Nothing new about death . . . We scorched and boiled and baked to death more people in Tokyo . . . than went up in vapour at Hiroshima and Nagasaki combined.”

In 1954, amid McCarthyism sweeping the US, Oppenheimer fell victim to a witch-hunt and was stripped of his security clearance. This was later restored, and in the last years before his death from cancer in 1967, aged only 62, he regained a measure of his 1945 giant’s status.

Yet some liberals never forgave him for having disclosed the names of left-wing sympathisers and colleagues to the FBI. I met one such victim in 1965, his old friend Haakon Chevalier, a pretty broken man who had just published a book describing his intimate relationship with Oppenheimer. It was followed by profound disillusionment when he discovered that in 1942 “Oppie” had passed information to “the Feds” that later cost Chevalier his professorship at Berkeley.

The third factor is the speed with which higher interest rates pass through to homeowners. The biggest risk is to borrowers on floating-rate mortgages

not all fixed-term loans are alike. In America the bulk of them are fixed for two or three decades. In other countries, even fixed-rate borrowers will face soaring mortgage costs soon enough

all the ingredients for a deep housing slump are in place. This time, though, it is likely to be led not by America, but by Canada, the Netherlands, Australia, New Zealand and Norway

First-time buyers and recent borrowers are especially vulnerable. Many stretched their finances to buy a home, leaving less spare cash to cover a jump in mortgage costs

First-time buyers have also had less time to accumulate equity. Oxford Economics estimates that a 15% drop in house prices in America over a year would cancel out two-thirds of the housing equity they have accumulated since the start of the pandemic

the housing squeeze will have profound consequences. “The housing cycle IS the business cycle”, wrote Edward Leamer of the University of California, Los Angeles, in a paper published in 2007

The link between the two cycles arises because housing confers “wealth effects” on owner occupiers. When house prices rise, people feel good about their financial situation, so borrow and spend more.

It noted that housing slowdowns had preceded eight of the past ten recessions in America

2019 research by the Bank of England found that a 10% increase in house prices raises consumption by 0.35–0.5%

Another important channel between the housing market and the rest of the economy is investment. Capital spending associated with housing, especially house building, can be extremely volatile—and is often the difference between a growing or shrinking economy.

Some people see an upside to a housing crash. They hope lower prices will allow young folk to buy their first houses. These hopes are almost certain to be dashed. In housing corrections, and sometimes for years after, home ownership rates tend to fall, rather than rise

Economic conditions that cause house prices to fall simultaneously imperil the chances of would-be homeowners. Unemployment rises and wages decline. If interest rates jump, people are able to borrow less and mortgage lenders tend to become more skittish about lending

The biggest effect of a housing downturn may be in politics

In countries where home ownership is seen as a rite of passage, lower prices without any increase in affordability will rub salt in already sore wounds. “Falling to what? Falling to absurdly grotesque prices instead of just unthinkable?”

For years more established homeowners took comfort in the thought that, even if real-wage growth was terrible, at least the price of their house was rising. Those days are over. Even baby-boomers, the great winners from a decade of price growth, now face the prospect of living off a smaller nest-egg in retirement, as downsizing becomes less lucrative

All this means rising interest rates will have unpredictable political repurcussions, as people who once benefited from the status quo discover what it feels like to lose out.

Do not be surprised, then, if policymakers launch enormous rescue operations

Let’s start with the obvious: Israel has a right to defend itself, rescue the hostages, arrest and prosecute Hamas and engage in lawful armed combat with its enemy.

People claiming the Hamas attack is the ‘violence of the oppressed’ are deluded. Hamas rules Gaza like a mafia state: its operatives walk around neighbourhoods in twos, dressed in dark suits, prying into people’s business. They run the place on a mixture of terror, public service provision and the kudos of their fighters.

They are feared but there is widespread disrespect for them, especially among secular and nationalist sections of the population.

Paradoxically, the western ‘anti-imperialists’ trying to apologise for the terror attack, and the Israeli right calling for retribution against civilians, both need to identify Hamas with the Palestinian population of Gaza in order to justify violence. But there is no basis for doing so.

The fact that a violent action takes place in the context of a wider oppression does not make it either (a) just (b) lawful under international law or c) effective in pursuit of social justice.

In this case, Hamas’s act of terror looks set to achieve the opposite.

What does Hamas want?

Hamas has offered a truce and asked for negotiations, stating that it has ‘achieved its objective’. If so, it’s logical to conclude that the immediate objective was to demonstrate proof-of-concept of an unstoppable pogromist terror. Do as we ask or we do this again, might be a fair summary.

The wider aim, according to numerous experts, is to force Hamas and Iran back into the power-broking process in the Middle East region, paralysing Saudi-Israeli rapprochement.

The firm view of the Islamic Republic is that the governments that are gambling on normalizing relations with the Zionist regime will suffer losses. Defeat awaits them…Today, the situation of the Zionist regime is not a situation that encourages closeness to it. They [other governments] should not make this mistake. The usurper [Zionist] regime is coming to an end.

Hamas could only achieve the aim of ending Saudi-Israeli rapprochement with an attack designed to trigger massive retribution, risking a regional all-out war.

there’s a line in Khamenei’s 3 October speech that, in retrospect looks explanatory: Thus, [the Zionists] are filled with grudge. They are filled with anger! Of course, the Quran exclaims: “Say, “die of your rage!” (3:119). That’s right. Be angry, and die of your rage. And this will happen. They are dying. With God’s help, this matter of ‘die of your rage’ is happening now as regards the Zionist regime.

‘Die of your rage’ might actually be a good summary of what Hamas intends Israel to now do.

Enraged by the barbarity of the attacks, Israel unleashes unprecedented collective punishment against Gaza, triggering both Hezbollah and West Bank militants to join in the fight; this in turn prompts a wave of anti-Semitic demonstrations in western cities, and draws the USA into a regional quagmire, testing the limits of American support for Israel

Meanwhile combat losses, and retribution over the complete failure of Netanyahu’s strategy of ‘managing’ the conflict, raise political divisions in Israeli society to the point where its democracy fails.

In a context where both Russia and China have complex hybrid destabilisation operations going on in western democracies, and where the Brics+ project is pursuing the active decomposition of the rules-based order, this objective does not look as mad as at first sight.

the ‘multipolar world’ turns out not to be one of peaceful coexistence, but characterised by extreme conflicts and genocide.

In pursuit of systemic competition Beijing and Moscow are scraping at every open wound in the body geopolitic

it’s what you get when you purposefully dismantle an international order based on treaties and explicit rules. And where elites in Russia, the USA, Brasil and parts of Europe are openly experimenting with ethno-nationalist politics.

Chaos, then, is a feature of multipolarity, not a bug.

Israel has signalled its military objective is to destroy Hamas. From my experience in Gaza I would say: that is possible.

But be in no doubt. It will need a sustained urban combat operation, a long-term military occupation, massive loss of civilian life, an existential refugee crisis in Sinai, and the diversion of US-supplied ammunition and resources from Ukraine.

Attempting it with a largely conscript/reservist army, full of recently mobilised and enraged soldiers? Again it’s worth remembering Khamenei’s exhortation to Israelis to ‘die of your rage’.

The very impossibility of all these outcomes shows why we need an internationally mediated peace, alongside a functional two-state solution, which allows the people of Gaza to live in peace, exercise democracy and travel across borders.

not only will liberal sympathy for Israel evaporate, but the Muslim minorities in some Western countries will be radicalised.

Typically, from my experience, combat in Gaza takes the following form. There is a street with children playing at one end; in the middle it is eerily deserted; at the other end is the IDF and above is an IDF drone. But there is no front line. The mujahedeen are in tunnels, popping up to take sniper shots or lay IEDs at night, and only committing ATGMs once a vehicle comes into view. The only front line is, for most of the time, between the IDF and Palestinian civilians.

Both sides risk miscalculating. Hamas does not care what happens to Palestinian civilians in Gaza, many of whom hate Hamas.

But there is a danger of miscalculation for Israel too. Netanyahu’s far-right government completely missed the threat, actively stoked tensions in the West Bank and Al Aqsa, and could easily now double down on a self-destructive course.