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The drilling mandate was included in a massive tax cut approved by congressional Republicans during Trump’s first year in office. Republicans said it could generate an estimated $1bn over 10 years, a figure Democrats call preposterously overstated.

In Nevada, water levels have dropped so drastically in Lake Mead that officials are preparing for a serious shortage that could prompt major reductions in Colorado River water deliveries next year. In California, Gov. Gavin Newsom has placed 41 counties under a state of emergency.

Here in Oregon, conservationists, Native American tribes, government agencies and irrigators are squaring off, and local leaders fear that generations of tensions could escalate in volatile new ways.

During a drought in 2001, the federal Bureau of Reclamation initially planned for the first time to fully cut off water for farmers over the summer. That order spurred an uprising of farmers and ranchers who used saws, torches and crowbars to breach the facilities and open the canal head gates.

Ammon Bundy, who led an armed takeover of an Oregon wildlife refuge in 2016, said he was ready to bring in allies to help keep the gates open, saying that people need to be prepared to use force to protect their rights even if law enforcement arrives to stop them.

Some landowners have openly talked about breaching the fence surrounding the dam property and forcing open the irrigation gates. Already, they have purchased property adjacent to the head gates and staged protests there.

For the United States, the Klamath Project became a keystone for settling and developing the region. Homestead opportunities for veterans after the two world wars helped to stimulate the economy and to build a new kind of community.

The region has a deep history rooted in violence and racial division. In 1846, U.S. War Department surveyors, led by John C. Frémont and Kit Carson, slaughtered more than a dozen Native Americans on the shores of Klamath Lake.

“These are not things that are going to get better if climate change continues to give us more uncertainty and less reliable supplies of water,” said William Jaeger, an economics professor at Oregon State University who specializes in environmental, resource and agricultural policy issues.

Lake levels fell below the minimum thresholds set by federal scientists, prompting litigation and spurring fears that algae blooms this summer could devastate the imperiled fish populations above the dam

Farmers generally have been split on how aggressively to push back against this year’s water shut-off. Ms. Hill said she disliked the idea of forcing open the gates, saying that option would do little to help. Other farmers have also called for ratcheting back the threats.

But on Friday night, about 100 people gathered under a large tent next to the head gates on property bought recently by two farmers, Dan Nielsen and Grant Knoll, who say they have a legal entitlement to the water behind the gates in Upper Klamath Lake under state water law.

Facing a similar standoff two decades ago, in 2001, the federal government relented with a limited delivery of water to farmers, but there was no sign that agencies, facing an already depleted lake, would budge this time.

Last month, the world’s leading energy agency warned that governments around the globe must stop approving fossil fuel projects now if they want to prevent the pollution they produce from driving average global temperatures above 2 degrees Celsius compared with preindustrial levels. That’s the threshold beyond which scientists say the Earth will experience irreversible damage.

But Ms. Brisson said that even if the lawsuits were successful, they only concern the past activities of the Trump administration. A legal victory would not overturn the mandate in the 2017 law to hold two separate lease auctions, she said, “just the way it was carried out.”

Given that, there are questions as to how much interest a second sale would generate, especially since there was little interest in the first one. Twenty-two out of 32 tracts were offered in that sale, nearly 1.1 million acres in areas that were thought to have the greatest potential for oil development.

Finally, there is deforestation. What Brazil does with its rainforest and what we do with our urban sprawl and what China does with its rapid urbanization into wilderness areas is everybody’s business. All three countries are removing natural buffers and expanding the interface, the touch points, between wildlife and people where pandemics emerge. That has to stop.

temperature increases are predicted to cause colossal disruption: 10 million more people displaced as a consequence of higher sea levels; greatly increased risk of fires, drought and extreme weather of all kinds; shrinkage of plant and insect habitats with massive effects on agriculture as well as nature; the extinction of coral.

It is extremely difficult to see a safe way through the next few decades that does not involve a drastic reorientation of global priorities, towards wildlife and away from consumption

If the world is to come together as we need it to, human values will have to assert themselves over the forces of capital

Richard Powers’ recent Booker-shortlisted novel The Overstory focused on the immense psychological challenge, for humans, of making wildlife a priority above the struggles between ourselves that so preoccupy us all.

US activist Emily Johnston takes as a starting point her sense of “despair” about the state of the oceans, but goes on to argue that “the only sane thing to do is to radically change our agriculture and our forestry to help stabilise the climate”

everyone who is serious about addressing what Thunberg rightly calls an “existential crisis” must be honest about what the process of getting there will entail.

the number of British adults who regard climate as a priority remains small: only 27% see it as one of the top three issues. That figure doubles among 18- to 24-year-olds.

when it comes to the environment, as the Indian writer Arundhati Roy has argued, imagination is at the heart of it; and the question of whether we can see the future clearly enough to prioritise it over short-term gain

The fires are especially devastating because they’re occurring against a long-running backdrop of biological annihilation. The clearing of land for agriculture and urban development has forced species into ever smaller and more fragmented pockets, which can be more easily snuffed out by a single bad event.

None of the researchers I spoke with could think of a historical example where fire literally burned a species out of existence. Yet “it’s hard to imagine that there won’t be a number of extinctions as a result of this fire, but what that number is we aren’t sure,” Legge says.

The recent bushfires, however, have been so severe that some researchers and fire chiefs aren’t convinced that preventive burning would have helped.

That night the temporary campground under the bridge swelled to the hundreds, including many who had fled with just the clothes on their backs and who were now sleeping in their cars. The discount department store sold out of tents that night, we were told. Many people had not intended to flee, but changed their minds when they saw the size and speed of the smoke column.

The next morning at the official evacuation centre it was easy to spot those whose houses had been lost. They walked around white-faced, desperate to talk to someone but wary of the notebook. I made friends with the animals: 250 horses held safe in the saleyards, countless dogs, five chickens laying eggs in the back of a Landrover. Shellshocked humans who did not want to talk about how they were doing told me about how their pets were faring, and then their kids, and then finally themselves.

My first fire callout this season was to the well-heeled Sydney suburb of Turramurra in November, where no property was lost, houses were doused in the delightfully coloured pink fire retardant and some departing firefighters handed us ice creams on their way out.

But of course an event of this size and drama cannot be covered solely from the office. The logistical challenges of putting reporters and photographers into fire zones hundreds of kilometres from their Sydney or Melbourne bases have been huge

In Kurrajong Heights, photographer Jessica Hromas and I met a strike team waiting for a fire to come up from the gorge and into the suburbs. A firefighter told us where to park our car – facing out and with doors unlocked – and said he’d give us a radio so he could tell us when to escape.

There has been a lot of anger and politics swirling around Australia’s bushfires, as well as a lot of facts – some relevant, some not, and some fake.

So while some of my colleagues have been delivering blistering and heart-wrenching narratives from the fire grounds, I’ve been knee deep in academic papers about bushfires, and conversations about the Forest Fire Danger Index and the Indian Ocean dipole.

As the fires took hold in NSW and continued in Queensland, a blame game emerged. These fires had little to do with the climate crisis, some were saying, but were down to “greenies” and their “policies” to stop hazard-reduction burning in forests and national parks.

I’ve spoken to I don’t know how many experts in their field over the last few months. I’ve disturbed conservationists and scientists on their holidays. One ecologist on Kangaroo Island was telling me what was going on while she and her children evacuated her house from the threat of a fire. The climate crisis comes up in every conversation.

We have upheld our editorial independence in the face of the disintegration of traditional media – with social platforms giving rise to misinformation, the seemingly unstoppable rise of big tech and independent voices being squashed by commercial ownership. The Guardian’s independence means we can set our own agenda and voice our own opinions. Our journalism is free from commercial and political bias – never influenced by billionaire owners or shareholders. This makes us different. It means we can challenge the powerful without fear and give a voice to those less heard.

I never met a cabdriver who had been swab-tested less than twice, and a couple had been tested five times. Most of the cabbies had no relatives or friends who had been infected; swabbing was simply required by the city and by their cab companies.

When Wuhan was sealed, the strategy of isolation was replicated throughout the city. Housing compounds were closed and monitored by neighborhood committees, with residents going out only for necessities.

Toward the end of the first month, the guidelines were tightened further, until virtually all goods were delivered. On February 17th, Fang Fang wrote, “Everyone is now required to remain inside their homes at all times.”

Meanwhile, approximately ten thousand contact tracers were working in the city, in order to cut off chains of infection, and hospitals were developing large-scale testing systems. But isolation remained crucial: patients were isolated; suspected exposures were isolated; medical workers were isolated.

Zhang said the experience of working through the pandemic had left him calmer and more patient. He drove more carefully now; he wasn’t in such a rush.

I often asked Wuhan residents how they had been personally changed by the spring, and there was no standard response. Some expressed less trust in government information; others said they had increased faith in the national leadership.

Wuhan had most recently reported a locally transmitted symptomatic case on May 18th. It’s the most thoroughly tested city in China: at the end of May, in part to boost confidence, the government tried to test every resident, a total of eleven million.

There are three hundred and twenty-one testing locations in the city, and the system is so extensive that in June, when Beijing suffered an outbreak, Wuhan hospitals sent seventy-two staffers to the capital to help with tests.

“I tend to take a charitable view of countries that are at the beginning stage of epidemics,” Jennifer Nuzzo, an epidemiologist at the Johns Hopkins Center for Health Security, told me, in a phone conversation. According to her, it’s unrealistic to expect that any country could have stopped this particular virus at its source. “I’ve always believed that this thing was going to spread,” she said

The physician who handled testing told me that, on average, his hospital still recorded one positive for every forty thousand exams. Most of these positives were repeat patients: after having been infected during the initial run of the virus, they recovered fully, and then for some reason, months later, showed evidence of the virus again. So far, most of the positives had been asymptomatic, and the physician saw no indication that the virus was spreading in the city.

In town, there were few propaganda signs about the epidemic, and Wuhan newspapers ran upbeat headlines every morning (Yangtze Daily, August 29th, front page: “STUDENTS DO NOT HAVE TO WEAR MASKS IN SCHOOLS”). Movie theatres were open; restaurants and bars had no seating restrictions. At the Hanyang Renxinghui Mall, I saw barefaced kids playing in what may have been one of the last fully functioning ball pits on earth, a sight that seemed worthy of other headlines (“CHILDREN DO NOT HAVE TO WEAR MASKS IN WUHAN BALL PITS”).

Across town, colleges and universities were in the process of bringing back more than a million students. Wuhan has the second-highest number of students of any city in China, after Guangzhou.

Wuhan memories remained fresh, and the materials of documentation were also close at hand. People sometimes handed over manuscripts, and they took out their phones and pulled up photographs and messages from January and February. But I wondered how much of this material would dissipate over time.

In town, I met two Chinese journalists in their twenties who were visiting from out of town. They had been posted during the period of the sealed city: back then, anybody sent to cover events in Wuhan had to stay for the long haul.

One was a director of streaming media whom I’ll call Han, and he had found that government-run outlets generally wanted footage that emphasized the victory over the disease, not the suffering of Wuhan residents. Han hoped that eventually he’d find other ways to use the material. “It will be in the hard drive,” he said, tapping his camera.

After that, Yin reported on a number of issues that couldn’t be published or completed, and she often talked with scientists and officials who didn’t want to say too much. “One person said, ‘Ten years later, if the climate has changed, I’ll tell you my story,’ ” Yin told me. “He knew that he would be judged by history.” She continued, “These people are inside the system, but they also know that they are inside history.”

In time, we will learn more, but the delay is important to the Communist Party. It handles history the same way that it handles the pandemic—a period of isolation is crucial. Throughout the Communist era, there have been many moments of quarantined history: the Great Leap Forward, the Cultural Revolution, the massacre around Tiananmen Square. In every case, an initial silencing has been followed by sporadic outbreaks of leaked information. Wuhan will eventually follow the same pattern, but for the time being many memories will remain in the sealed city.

When I spoke with scientists outside China, they weren’t focussed on the government’s early missteps

Such fare is much more popular in Guangdong, in the far south. It’s possible that the disease arrived from somewhere else and then spread in the wet, cool conditions of the fish stalls. A few Wuhan residents told me that a considerable amount of their seafood comes from Guangdong, and they suggested that perhaps a southerner had unwittingly imported the disease,

Wafaa El-Sadr, the director of ICAP, a global-health center at Columbia University, pointed out that Chinese scientists had quickly sequenced the virus’s genome, which was made available to researchers worldwide on January 11th. “I honestly think that they had a horrific situation in Wuhan and they were able to contain it,” she said. “There were mistakes early on, but they did act, and they shared fast.”

For much of El-Sadr’s career, she has worked on issues related to AIDS in the United States, Africa, and elsewhere. After years of research, scientists eventually came to the consensus that H.I.V. most likely started through the bushmeat trade—the first human was probably infected after coming into contact with a primate or primate meat.

El-Sadr views the coronavirus as another inevitable outcome of people’s encroachment on the natural world. “We are now living through two concomitant massive pandemics that are the result of spillover from animal to human hosts, the H.I.V. and the COVID pandemics,” she wrote to me, in an e-mail. “Never in history has humanity experienced something along this scale and scope.”

There’s a tendency to believe that we would know the source of the coronavirus if the Chinese had been more forthcoming, or if they hadn’t cleaned out the Huanan market before stalls and animals could be studied properly.

But Peter Daszak, a British disease ecologist who has collaborated with the Wuhan Institute of Virology for sixteen years on research on bat coronaviruses, told me that it’s typical to fail to gather good data from the site of an initial outbreak. Once people get sick, local authorities inevitably focus on the public-health emergency. “You send in the human doctors, not the veterinarians,” he said, in a phone conversation. “And the doctors’ response is to clean out the market. They want to stop the infections.”

Daszak believes the virus probably circulated for weeks before the Wuhan outbreak, and he doubts that the city was the source. “There are bats in Wuhan, but it was the wrong time of year,” he told me. “It was winter, and bats are not out as much.”

His research has indicated that, across Southeast Asia, more than a million people each year are infected by bat coronaviruses. Some individuals trap, deal, or raise animals that might serve as intermediary hosts. “But generally it’s people who live near bat caves,”

Daszak said that he had always thought that such an outbreak was most likely to occur in Kunming or Guangzhou, southern cities that are close to many bat caves and that also have an intensive wildlife trade.

He thinks that Chinese scientists are probably now searching hospital freezers for lab samples of people who died of pneumonia shortly before the outbreak. “You would take those samples and look for the virus,” he said. “They’ll find something eventually. These things just don’t happen overnight; it requires a lot of work. We’ve seen this repeatedly with every disease. It turns out that it was already trickling through the population.”

Daszak is the president of EcoHealth Alliance, a nonprofit research organization based in New York. EcoHealth has become the target of conspiracy theorists, including some who claim that the virus was man-made. Daszak and many prominent virologists say that anything created in a lab would show clear signs of manipulation.

There’s also speculation that the outbreak started when researchers accidentally released a coronavirus they were studying at the Wuhan Institute of Virology. But there’s no evidence of a leak, or even that the institute has ever studied a virus that could cause a COVID-19 outbreak.

“Scientists in China are under incredible pressure to publish,” Daszak said. “It really drives openness and transparency.”

He has spent a good deal of time in Wuhan, and co-authored more than a dozen papers with Chinese colleagues. “If we had found a virus that infected human cells and spread within a cell culture, we would have put the information out there,” he said. “In sixteen years, I’ve never come across the slightest hint of subterfuge. They’ve never hidden data. I’ve never had a situation where one lab person tells me one thing and the other says something else. If you were doing things that you didn’t want people to know about, why would you invite foreigners into the lab?”

In April, President Trump told reporters that the U.S. should stop funding research connected to the Wuhan Institute of Virology. Shortly after Trump’s comments, the National Institutes of Health cancelled a $3.7-million grant to EcoHealth, which had been studying how bat coronaviruses are transmitted to people.

I asked Daszak why, if he has such faith in the openness of his Wuhan colleagues, the Chinese government has been so closed about other aspects of the outbreak. He said that science is one thing, and politics something else; he thinks that officials were embarrassed about the early mistakes, and in response they simply shut down all information.

At the beginning of July, China National Biotec Group, a subsidiary of a state-owned pharmaceutical company called Sinopharm, completed construction of a vaccine-manufacturing plant in Wuhan. The project began while the city was still sealed. “That’s the politically correct thing to do,” a Shanghai-based biotech entrepreneur told me. “To show the world that the heroic people of Wuhan have come back.”

Yiwu He, the chief innovation officer at the University of Hong Kong, told me that the C.N.B.G. vaccine has already been given to a number of Chinese government officials, under an emergency-use approval granted by the authorities. “I know a few government officials personally, and they told me that they took the vaccine,” he said, in a phone conversation. He thought that the total number was probably around a hundred. “It’s middle-level officials,” he said. “Vice-ministers, mayors, vice-mayors.”

Pharmaceutical executives have also been expected to lead the way, like the construction manager who donned P.P.E. in order to escort his workers into the patient ward. “Every senior executive at Sinopharm and C.N.B.G. has been vaccinated,” He said. “Including the C.E.O. of Sinopharm, the chairman of the board, every vice-president—everyone.” The Chinese press has reported that vaccinations have also been administered to hundreds of thousands of citizens in high-risk areas around the world.

In the West, China’s image has been badly damaged by the pandemic and by other recent events. The country has tightened political crackdowns in Hong Kong and Xinjiang, and, in May, after Australia called for an investigation into the origins of the virus, China responded furiously, placing new tariffs and restrictions on Australian goods ranging from barley to beef.

But He believes that the situation is fluid. “All of these feelings can turn around quickly,” he told me. “I think that once China has a vaccine, and if they can help other countries, it can make a huge difference.”

There’s also a competitive element. “China wants to beat America,” He said. He believes that the C.N.B.G. vaccine will receive some level of approval for public use by the end of October. “Chinese officials are thinking that Donald Trump might approve a U.S. vaccine before the election,” he said. “So their goal is to have a vaccine approved before that.”

No matter how quickly the Chinese develop a vaccine, or how effectively they have handled the pandemic since January, it’s unlikely to make Westerners forget the mistakes and misinformation during the pandemic’s earliest phase.

Some of this is due to a cultural difference—the Chinese response to errors is often to look forward, not back. On January 31st, Fang Fang commented in her diary, “The Chinese people have never been fond of admitting their own mistakes, nor do they have a very strong sense of repentance.” It’s often hard for them to understand why this quality is so frustrating for Westerners. In this regard, the pandemic is truly a mirror—it doesn’t allow the Chinese to look out and see themselves through the eyes of others.

The pandemic illuminates both the weaknesses and the strengths of the Chinese system, as well as the relationship between the government and the people. They know each other well: officials never felt the need to tell citizens exactly what happened in Wuhan, but they understood that American-level casualties would have been shocking—given China’s population, the tally would have been more than a million and counting.

In order to avoid death on that scale, the government also knew that people would be willing to accept strict lockdowns and contribute their own efforts toward fighting the virus.

In turn, citizens were skilled at reading their government. People often held two apparently contradictory ideas: that the Party lied about some things but gave good guidance about others. More often than not, citizens could discern the difference. During the pandemic, it was striking that, when the Chinese indulged in conspiracy theories, these ideas rarely resulted in personally risky behavior, as they often did in the U.S.

Perhaps the Chinese have been inoculated by decades of censorship and misinformation: in such an environment, people develop strong instincts for self-preservation, and they don’t seem as disoriented by social media as many Americans are.

Early in the year, I corresponded by WeChat with a Wuhan pharmacist who worked in a hospital where many were infected. On February 26th, he expressed anger about the early coverup. “My personal opinion is that the government has always been careless and suppressed dissent,” he wrote. “Because of this, they lost a golden opportunity to control the virus.”

In Wuhan, we met a few times, and during one of our conversations I showed him what he had written in February. I asked what he would do now if he found himself in Li Wenliang’s position, aware of an outbreak of some unknown disease. Would he post a warning online? Contact a health official? Alert a journalist?The pharmacist thought for a moment. “I would tell my close friends in person,” he said. “But I wouldn’t put anything online. Nothing in writing.”

I asked if such an event would turn out differently now.“It would be the same,” he said. “It’s a problem with the system.”

He explained that, with an authoritarian government, local officials are afraid of alarming superiors, which makes them inclined to cover things up. But, once higher-level leaders finally grasp the truth, they can act quickly and effectively.

Dogged by skepticism and inconsistent funding, these coronavirus researchers were stymied from developing treatments and vaccines for SARS—many of which could have been helpful in the current crisis.

funding declines hobbled individual investigators who weren’t part of these larger consortia. Pharmaceutical companies that develop vaccines and therapies scaled back on coronavirus research, too. Within a few years after the SARS outbreak, public health funding agencies both in the United States and abroad “no longer regarded coronaviruses as a high public health threat compared to other diseases,” Saif wrote in an email.

to some experts whose business it is to hunt potential pathogens before they spill over into human populations, the many years spent not girding for a serious coronavirus outbreak were tragically—and unnecessarily—wasted.

“We were out there on the ground after SARS, working on coronaviruses with Chinese colleagues in collaboration,” said Peter Daszak, president of the EcoHealth Alliance, a New York–based nonprofit group that took part in a large federally funded effort, called Predict, to hunt for new pandemic viruses in wildlife in 31 countries, including China. That program was famously defunded last fall, just before the SARS-CoV-2 outbreak began.

“But we were the only group of western scientists,” Daszak added. “How can we be the only people looking for these viruses when there was such a clear and present danger?”

when SARS emerged in late 2002, there was initially “general disbelief among medical people that a coronavirus could be the basis of such a huge outbreak.”

As that epidemic spread, an influx of new researchers crowded the field. More grants were awarded, and funding started to climb. “Everyone wanted to know where the virus had come from,” said Ralph Baric, a microbiologist at the University of North Carolina’s Gillings School of Global Public Health. Initial findings pointed to wild civets and raccoon dogs sold for meat and pelts, respectively, in Chinese markets. Later evidence began to implicate horseshoe bats as the original source of the infections. Some researchers whose pre-SARS careers had been grounded in basic coronavirus biology began working on therapies and vaccines—and they made steady progress for several years.

Another similarly affected researcher was Brenda Hogue, a virologist at Arizona State University in Tempe. Hogue had devoted her career to studying coronaviruses, focusing on the protein machinery that drives their assembly. After SARS, she and her colleagues turned part of their attention toward developing a vaccine. But when the funding dropped off in 2008, she said, the vaccine went into limbo “and we put our efforts into other directions.”

Then on May 12, The Wall Street Journal reported that the Chinese government was responding in kind, “by stalling international efforts to find the source of the [SARS-CoV-2] virus amid an escalating U.S. push to blame China for the pandemic.”

To demonstrate that a particular virus is actually harmful to people, scientists need to isolate and culture the microbe and show it infects human cells in the lab

Led by virologist Zheng-Li Shi, the Wuhan team reported in 2013 that this particular virus, called WIV1, binds with ACE2 in civet and human cells, and then replicates efficiently inside them. “That was the red flag,” Saif said. Earlier evidence suggested that direct contact with these bats could lead to viral spillover in humans. “Now there was proof of that.”

The bats had been trapped in a cave in Kunming, the capital of the Yunnan province. At least seven other SARS-like strains were present in that same colony, leading the researchers to speculate that bat coronaviruses remained “a substantial global threat to public health.”

They created a hybrid microbe by attaching the spike protein from SHC014 to the genetic backbone of a SARS-like virus that was previously adapted to grow in mice. Called a chimera—an organism containing cells with more than one genotype—this lab-made microbe had no problem binding with ACE2 and infecting human cells. Baric’s research team concluded that like WIV1, any SARS-like viruses outfitted with the SHC014 spike could pose cross-species threats to people.

Baric acknowledged the risky nature of the research but emphasized the safety protocols. “In general, we don’t know the transmissibility or virulence potential of any bat viruses or chimeras,” Baric said in an email message. “Hence it’s best to keep and work with them under biosafety level 3 laboratory conditions to maximize safety.”

Baric also pointed out that a chimera would display a genetic signature “that says what it is.” The adjoining parts of a chimera segregate discreetly in a logical pattern.

A genetic analysis of the chimera produced in his lab, for instance, “would come out to be mouse-adapted SARS everywhere but the spike, which is SHC014.” Similar logical patterns are absent in SARS-CoV-2, indicating that the virus that causes COVID-19 evolved naturally.

ven as Baric and others were generating lab evidence that more SARS-like viruses were poised for human emergence, another outbreak—in pigs, not people—provided another strong and recent signal: Some 25,000 piglets were killed by a coronavirus in the Guangdong province of China, starting in 2016. That virus, too, was found in horseshoe bats, and Buchmeier described the outbreak as both a major cross-species spillover and a warning shot that was never really picked up by the broader public-health community.

The EcoHealth Alliance, which had been part of the Predict effort, maintained its own collaboration with the Wuhan Institute of Virology using funds supplied by the National Institutes of Health. But on April 24, the Trump administration—which is investigating whether SARS-CoV-2 escaped accidentally from the Wuhan Institute, an allegation that’s been broadly discredited—directed the NIH to cut off that support.

hen cases of those diseases fell off, public-health responders shifted to other viral emergencies such as Ebola and Zika, and coronavirus research funding dropped sharply.

To disease experts, the bickering is a worrying—perhaps even astonishing—indicator that at least some global leaders still aren’t hearing what they have to say about the threat of coronaviruses, and Baric asserted that the ongoing pandemic exposes the need for better communication between countries, not less. “That is absolutely key,” he said. “Critical information needs to be passed as quickly as possible.”

Many other warnings would follow.Indeed, evidence of a looming and more deadly coronavirus pandemic had been building for years. Yet experts who specialize in coronaviruses—a large family of pathogens, found especially in birds and mammals, that can cross over to humans from other mammals and cause varying degrees of illness—struggled to convince a broader audience of the risk

the number of coronavirus-research grants funded by the National Institutes of Health—which had increased from a low of 28 in 2002 to a peak of 103 in 2008—went into a tailspin.

Though support for coronavirus research spiked a bit with the MERS outbreak in 2012, the increase was short-lived. Since that outbreak was quickly contained, the disease didn’t raise wider concerns and grant opportunities declined further.

Ironically, just as funding for drugs and vaccines was drying up, evidence that other coronavirus threats lurked in wildlife was only getting stronger

Ten years would pass, however, before researchers could show there were other SARS-like viruses in nature that also bind with ACE2. The evidence came from a team based at the Wuhan Institute of Virology

Growing evidence points to a connection between destructive environmental practices and emerging diseases.

Of more than 330 diseases which emerged between 1940 and 2004, nearly two-thirds were zoonotic, meaning they were transmitted from animals to humans, as with, for example, HIV/AIDS and probably covid-19.

over 70% originated in wildlife,

Replacing old-growth forests with a single crop, such as oil palm, can also lead to the transmission of disease. If predators’ habitats are destroyed and their populations dwindle, other creatures such as rodents, mosquitoes, bats and some primates can proliferate.

scientists are increasingly turning their attention to how altering land interferes with a pathogen’s journey from animals to humans

felling trees increases contact between humans and disease-carrying animals

correlation between the loss of forests in west and central Africa and outbreaks of Ebola between 2004 and 2014

Cutting down trees may also increase the threat to humans posed by viral infections transmitted through mosquito bites, such as Zika, dengue and chikungunya.

link between changes in global forest cover between 1990 and 2016 and an increase in reported epidemics, even accounting for the fact that deforestation usually means more humans living nearby

Wildlife may also move towards human settlements in search of food. Mango trees planted on pig farms in Malaysia probably attracted fruit bats carrying nipah, a virus that infected local pig farmers in 1999 and still breaks out yearly in Bangladesh.

I had other doubts, too. It seemed hubristic, or worse, to make multitrillion-dollar policy bets based on computer models trying to forecast climate patterns decades into the future. Climate activists kept promoting policies based on technologies that were either far from mature (solar energy) or sometimes actively harmful (biofuels).

Expensive efforts to curb greenhouse gas emissions in Europe and North America seemed particularly fruitless when China, India and other developing countries weren’t about to curb their own appetite for fossil fuels

just how fast is Greenland’s ice melting right now? Is this an emergency for our time, or is it a problem for the future?

His pitch was simple: The coastline we have taken for granted for thousands of years of human history changed rapidly in the past on account of natural forces — and would soon be changing rapidly and disastrously by man-made ones. A trip to Greenland, which holds one-eighth of the world’s ice on land (most of the rest is in Antarctica) would show me just how drastic those changes have been. Would I join him?

Greenland is about the size of Alaska and California combined and, except at its coasts, is covered by ice that in places is nearly two miles thick. Even that’s only a fraction of the ice in Antarctica, which is more than six times as large

Greenland’s ice also poses a nearer-term risk because it is melting faster. If all its ice were to melt, global sea levels would rise by some 24 feet. That would be more than enough to inundate hundreds of coastal cities in scores of nations, from Jakarta and Bangkok to Copenhagen and Amsterdam to Miami and New Orleans.

There was also a millenarian fervor that bothered me about climate activism, with its apocalyptic imagery (the Statue of Liberty underwater) and threats of doom unless we were willing to live far more frugally.

“We haven’t had a good positive mass balance year since the late 1990s,” he told me in a follow-on email when I asked him to explain the data for me. The losses can vary sharply by year. The annualized average over the past 30 years, he added, is 170 gigatons per year. That’s the equivalent of about 5,400 tons of ice loss per second. That “suggests that Greenland ice loss has been tracking the I.P.P.C. worse-case, highest-carbon-emission scenario.

The data shows unmistakably that Greenland’s ice is not in balance. It is losing far more than it is gaining.

scientists have been drilling ice-core samples from Greenland for decades, giving them a very good idea of climatic changes stretching back thousands of years. Better yet, a pair of satellites that detect anomalies in Earth’s gravity fields have been taking measurements of the sheet regularly for nearly 20 years, giving scientists a much more precise idea of what is happening.

it’s hard to forecast with any precision what that means. “Anyone who says they know what the sea level is going to be in 2100 is giving you an educated guess,” said NASA’s Willis. “The fact is, we’re seeing these big ice sheets melt for the first time in history, and we don’t really know how fast they can go.”

His own educated guess: “By 2100, we are probably looking at more than a foot or two and hopefully less than seven or eight feet. But we are struggling to figure out just how fast the ice sheets can melt. So the upper end of range is still not well known.”

On the face of it, that sounds manageable. Even if sea levels rise by eight feet, won’t the world have nearly 80 years to come to grips with the problem, during which technologies that help us mitigate the effects of climate change while adapting to its consequences are likely to make dramatic advances?

Won’t the world — including countries that today are poor — become far richer and thus more capable of weathering the floods, surges and superstorms?

The average rate at which sea level is rising around the world, he estimates, has more than tripled over the past three decades, to five millimeters a year from 1.5 millimeters. That may still seem minute, yet as the world learned during the pandemic, exponential increases have a way of hitting hard.

“When something is on a straight line or a smooth curve, you can plot its trajectory,” Englander said. “But sea level, like earthquakes and mudslides, is something that happens irregularly and can change rather quickly and surprise us. The point is, you can no longer predict the future by the recent past.”

In The Wall Street Journal’s editorial pages, where I used to work, the theoretical physicist Steven Koonin, a former under secretary for science in the Obama administration’s Energy Department, cast doubt on the threat from Thwaites in a voice that could have once been mine. He also thinks the risks associated with Greenland’s melting are less a product of human-induced global warming than of natural cycles in North Atlantic currents and temperatures, which over time have a way of regressing to the mean.

Even the poorest countries, while still unacceptably vulnerable, are suffering far fewer human and economic losses to climate-related disasters.

Another climate nonalarmist is Roger Pielke Jr., a professor of environmental studies at the University of Colorado Boulder. I call Pielke a nonalarmist rather than a skeptic because he readily acknowledges that the challenges associated with climate change, including sea-level rise, are real, serious and probably unstoppable, at least for many decades.

“If we have to have a problem,” he told me when I reached him by phone, “we probably want one with a slow onset that we can see coming. It’s not like an asteroid coming from space.”

“Since the 1940s, the impact of floods as a proportion of U.S. gross domestic product has dropped by 70 percent-plus,” Pielke said. “We see this around the world, across phenomena. The story is that fewer people are dying and we are having less damage proportional to G.D.P.”

“Much climate reporting today highlights short-term changes when they fit the narrative of a broken climate but then ignores or plays down changes when they don’t, often dismissing them as ‘just weather,’” he wrote in February.

Global warming is real and getting worse, Pielke said, yet still it’s possible that humanity will be able to adapt to, and compensate for, its effects.

A few years ago, I would have found voices like Koonin’s and Pielke’s persuasive. Now I’m less sure. What intervened was a pandemic.

That’s what I thought until the spring of 2020, when, along with everyone else, I experienced how swiftly and implacably nature can overwhelm even the richest and most technologically advanced societies. It was a lesson in the sort of intellectual humility I recommended for others

It was also a lesson in thinking about risk, especially those in the category known as high-impact, low-probability events that seem to be hitting us with such regularity in this century: the attacks of Sept. 11, 2001; the tsunamis of 2004 and 2011, the mass upheavals in the Arab world

What if the past does nothing to predict the future? What if climate risks do not evolve gradually and relatively predictably but instead suddenly soar uncontrollably? How much lead time is required to deal with something like sea-level rise? How do we weigh the risks of underreacting to climate change against the risks of overreacting to it?

I called Seth Klarman, one of the world’s most successful hedge-fund managers, to think through questions of risk. While he’s not an expert on climate change, he has spent decades thinking deeply about every manner of risk

And we will almost certainly have to do it from sources other than Russia, China, the Democratic Republic of Congo and other places that pose unacceptable strategic, environmental or humanitarian risks

“If you face something that is potentially existential,” he explained, “existential for nations, even for life as we know it, even if you thought the risk is, say, 5 percent, you’d want to hedge against it.”

“One thing we try to do,” he said, “is we buy protection when it’s really inexpensive, even when we think we may well not need it.” The forces contributing to climate change, he noted, echoing Englander, “might be irreversible sooner than the damage from climate change has become fully apparent. You can’t say it’s far off and wait when, if you had acted sooner, you might have dealt with it better and at less cost. We have to act now.”

In other words, an ounce of prevention is worth a pound of cure. That’s particularly true if climate change is akin to cancer — manageable or curable in its earlier stages, disastrous in its later ones.

As I’ve always believed, knowing there is grave risk to future generations — and expecting current ones to make immediate sacrifices for it — defies most of what we know about human nature. So I began to think more deeply about that challenge, and others.

For the world to achieve the net-zero goal for carbon dioxide emissions by 2050, according to the International Energy Agency, we will have to mine, by 2040, six times the current amounts of critical minerals — nickel, cobalt, copper, lithium, manganese, graphite, chromium, rare earths and other minerals and elements — needed for electric vehicles, wind turbines and solar panels.

The poster child for this kind of magical thinking is Germany, which undertook a historic Energiewende — “energy revolution” — only to come up short. At the turn of the century, Germany got about 85 percent of its primary energy from fossil fuels. Now it gets about 78 percent, a puny reduction, considering that the country has spent massive sums on renewables to increase the share of electricity it generates from them.

As in everything else in life, so too with the environment: There is no such thing as a free lunch. Whether it’s nuclear, biofuels, natural gas, hydroelectric or, yes, wind and solar, there will always be serious environmental downsides to any form of energy when used on a massive scale. A single industrial-size wind turbine, for instance, typically requires about a ton of rare earth metals as well as three metric tons of copper, which is notoriously destructive and dirty to mine.

no “clean energy” solution will easily liberate us from our overwhelming and, for now, inescapable dependence on fossil fuels.

Nobody brings the point home better than Vaclav Smil, the Canadian polymath whose most recent book, “How the World Really Works,” should be required reading for policymakers and anyone else interested in a serious discussion about potential climate solutions.

“I’ve talked to so many experts and seen so much evidence,” he told me over Zoom, “I’m convinced the climate is changing, and addressing climate change has become a philanthropic priority of mine.”

Things could turn a corner once scientists finally figure out a technical solution to the energy storage problem. Or when governments and local actors get over their NIMBYism when it comes to permitting and building a large energy grid to move electricity from Germany’s windy north to its energy-hungry south. Or when thoughtful environmental activists finally come to grips with the necessity of nuclear energy

Till then, even as I’ve come to accept the danger we face, I think it’s worth extending the cancer metaphor a little further: Just as cancer treatments, when they work at all, can have terrible side effects, much the same can be said of climate treatments: The gap between an accurate diagnosis and effective treatment remains dismayingly wide

Only when countries like Vietnam and China turned to a different model, of largely bottom-up, market-driven development, did hundreds of millions of people get lifted out of destitution.

the most important transformation has come in agriculture, which uses about 70 percent of the world’s freshwater supply.

Farmers gradually adopted sprinkler and drip irrigation systems, rather than more wasteful flood irrigation, not to conserve water but because the technology provided higher crop yields and larger profit margins.

Water shortages “will spur a revolutionary, aggressive approach to getting rid of flood irrigation,” said Seth Siegel, the chief sustainability officer of the Israeli AgTech company N-Drip. “Most of this innovation will be driven by free-market capitalism, with important incentives from government and NGOs.

meaningful environmental progress has been made through market forces. In this century, America’s carbon dioxide emissions across fuel types have fallen to well below 5,000 million metric tons per year, from a peak of about 6,000 million in 2007, even as our inflation-adjusted G.D.P. has grown by over 50 percent and total population by about 17 percent.

1) Engagement with critics is vital. Insults and stridency are never good tools of persuasion, and trying to cow or censor climate skeptics into silence rarely works

the biggest single driver in emissions reductions from 2005 to 2017 was the switch from coal to natural gas for power generation, since gas produces roughly half the carbon dioxide as coal. This, in turn, was the result of a fracking revolution in the past decade, fiercely resisted by many environmental activists, that made the United States the world’s largest gas producer.

In the long run, we are likelier to make progress when we adopt partial solutions that work with the grain of human nature, not big ones that work against it

Renewables, particularly wind power, played a role. So did efficiency mandates.

The problem with our civilization isn’t overconfidence. It’s polarization, paralysis and a profound lack of trust in all institutions, including the scientific one

Devising effective climate policies begins with recognizing the reality of the social and political landscape in which all policy operates. Some thoughts on how we might do better:

They may not be directly related to climate change but can nonetheless have a positive impact on it. And they probably won’t come in the form of One Big Idea but in thousands of little ones whose cumulative impacts add up.

2) Separate facts from predictions and predictions from policy. Global warming is a fact. So is the human contribution to it. So are observed increases in temperature and sea levels. So are continued increases if we continue to do more of the same. But the rate of those increases is difficult to predict even with the most sophisticated computer modeling

3) Don’t allow climate to become a mainly left-of-center concern. One reason the topic of climate has become so anathema to many conservatives is that so many of the proposed solutions have the flavor, and often the price tag, of old-fashioned statism

4) Be honest about the nature of the challenge. Talk of an imminent climate catastrophe is probably misleading, at least in the way most people understand “imminent.”

A more accurate description of the challenge might be a “potentially imminent tipping point,” meaning the worst consequences of climate change can still be far off but our ability to reverse them is drawing near. Again, the metaphor of cancer — never safe to ignore and always better to deal with at Stage 2 than at Stage 4 — can be helpful.

5) Be humble about the nature of the solutions. The larger the political and financial investment in a “big fix” response to climate change on the scale of the Energiewende, the greater the loss in time, capital and (crucially) public trust when it doesn’t work as planned

6) Begin solving problems our great-grandchildren will face. Start with sea-level rise

We can also stop providing incentives for building in flood-prone areas by raising the price of federal flood insurance to reflect the increased risk more accurately.

7) Stop viewing economic growth as a problem. Industrialization may be the leading cause of climate change. But we cannot and will not reverse it through some form of deindustrialization, which would send the world into poverty and deprivation

8) Get serious about the environmental trade-offs that come with clean energy. You cannot support wind farms but hinder the transmission lines needed to bring their power to the markets where they are needed.

9) A problem for the future is, by its very nature, a moral one. A conservative movement that claims to care about what we owe the future has the twin responsibility of setting an example for its children and at the same time preparing for that future.

By the end, Safina is nearly a contrarian. Fertilizer runoff from the Mississippi, he concludes, causes the gulf more harm than did BP, while the fishing ban that went into force just after the spill might have helped marine wildlife more than the oil hurt it.

Safina concludes that greenhouse gases from routine fossil fuel use — “That spill is invisible” — are far more worrisome than what happened in the gulf. He asserts that true market pricing of gasoline to reflect its cost in atmospheric harm — that is, a carbon tax — would be a better response to the gulf spill than cleaning birds.

"It was a long struggle to capture the leopard. Although it was injected with tranquillisers it could be captured only around 20.15 local time when the medication took full effect,"

Across parts of northeastern Nigeria and border regions like the Far North, trade has come to a halt and tens of thousands of people are on the brink of famine, United Nations officials say

The hunt for food appears to be part of what is pushing Boko Haram deeper into Cameroon, according to an American State Department review of attacks in the first few weeks of this year.

A military campaign by Nigeria and its neighbors has chased fighters from villages they once controlled. Now, officials contend, the militants are left to scrounge for food in the sparse Sambisa Forest during the dry season, or go out raiding for whatever they can find.

But while some elements of Boko Haram may be battered, fighters still manage to carry out devastating attacks, the results of which are on full display at the hospital in Maroua, the capital of the Far North. Shrapnel and burn victims from recent attacks across various towns recuperate together.

Recent joint operations by the Cameroonian and Nigerian militaries have captured and killed numerous fighters and seized suicide belts, weapons and equipment for making mines. Officials hope to squeeze the fighters from both sides of the border so they have nowhere left to run.

The mass displacement caused by Boko Haram — and by the sometimes indiscriminate military campaign to defeat it — has left 1.4 million people in the region without adequate food supplies, the United Nations says.

In the Far North of Cameroon, this time of year is a moonscape of bone-dry river beds and clouds of dust so thick they look like misty fog. The region is moving into the so-called lean season, the in-between months when the fruits of the previous harvest are being depleted and next year’s crop is not yet ready.

Despite the influx of new people, officials closed the town’s market out of fear that it would be attacked. Boko Haram had struck a satellite village just days before. Residents now worry that the market will remain shut for weeks.

The food crisis is part of broader economic devastation in the area, adding to the burdens on Cameroon at a time when it is hosting thousands of refugees fleeing a religious war in nearby Central African Republic.

Even a religious leader who attends births and marriages in the Minawao Refugee Camp said the refugees needed to go home.

The United Nations accused Cameroon of sending tens of thousands of refugees back to Nigeria at the end of last year. The government has since said it would involve the United Nations in any plans involving the refugees’ return.

Tourism has plummeted in Cameroon, which has such diverse ecosystems and a range of wildlife that it refers to itself as Little Africa. Guides who once led visitors to see lions and elephants in Waza National Park in the north now scrape by with occasional work building new homes in the Minawao Refugee Camp

Times were once very good out here on the high desert of east-central Oregon, and a place like Burns — remote and obscure until a group of armed protesters took over a nearby federal wildlife sanctuary early this month

These days, cities like Portland, Salt Lake City and Boise, Idaho, are gobbling up more of the jobs than ever, especially the good ones.

Half the jobs in Oregon, for example, are now clustered in just three counties in and around Portland, according to a study by Headwaters Economics, a nonprofit research group in Bozeman, Mont

So the population grows ever older, poorer and less educated, and opportunities continue to dry up: The county has 10 percent fewer jobs than it did in 1979, according to state figures.

The pattern of poverty has shifted nationally as we

poverty rates fell or remained stable across the Northeast, South and Midwest — but rose significantly across the West, a Pew Research Center study said in 2014

What happened was a steep downturn, especially in the timber industry, which has all but disappeared

Changes in the wood industry were clearly also having an effect over those years, with more wood buyers shopping in Canada and more mills becoming automated, but many people here also said they thought the United States Forest Service

. Comparatively speaking, there are now much higher numbers of people in their prime working-age years whose incomes are below the federal poverty measure for a family.

But the role of government in what happened here is also more nuanced and complex than the black-hat-white-hat imagery presented by Mr. Bundy and his companions.

Government paychecks, like the one Mr. Ward earns at his job at the prison, have helped keep Harney County afloat as private jobs have declined

People like the Wards said that when environmental groups filed lawsuits and applied pressure at the State Capitol in Salem or in Washington, D.C.,

Some residents and local officials say they believe the history and relationship between the people and the government is being distorted by the protesters,

“People feel powerless,” said State Representative Cliff Bentz, a Republican whose district covers much of eastern Oregon, includ Harney County. “As the rural areas grow more and more poor and urban areas grow more and more wealthy, there’s a shift in power.”

Across the EU, the number of Green MEPs increased by 40% to 69, making them the fourth-largest grouping. In the UK, the number of Green MEPs rose from three to seven and the party won more votes than the Conservatives.

To ride currents, seahorses clutch drifting seagrass or other natural debris. In the polluted waters off the Indonesian island of Sumbawa, this seahorse has latched onto a plastic cotton bud. Photographer Justin Hofman said it was "a photo I wish didn't exist".

Dr Peter Alexander, at the University of Edinburgh, UK, was also impressed but noted: “There may be environmental benefits, eg for biodiversity, from sustainably managed grazing and increasing animal product consumption may improve nutrition for some of the poorest globally. My personal opinion is we should interpret these results not as the need to become vegan overnight, but rather to moderate our [meat] consumption.” Poore said: “The reason I started this project was to understand if there were sustainable animal producers out there. But I have stopped consuming animal products over the last four years of this project. These impacts are not necessary to sustain our current way of life. The question is how much can we reduce them and the answer is a lot.”