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he province of Ghazni in eastern Afghanistan has an increasingly strong Taliban presence. Large parts of the province are no-go areas for coalition and Afghan forces.

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Jordan. It has been described by the UN as one of the most water-scarce countries on the planet

Once a water-rich country, southern Iraq has faced successive droughts and significant drops in annual rainfall, following the construction of major dams in Turkey and Iran since the 1970s.

Arab states are facing a water supply emergency for which they need a coordinated response, according to the UN Food and Agriculture Organisation, predicting that per capita resources will be halved by 2050.

The Middle East and North Africa have suffered more than any other region from water scarcity and desertification, problems being complicated by climate change

In the UAE, reclamation schemes, such as Dubai's Palm Islands and World Islands, have altered the geography of the coast and wave patterns have destroyed marine ecosystems.

Campaigners in western Turkey have protested against a Canadian-owned gold mine project amid fears the deforestation will reduce a hilltop to an arid desert.

Dubai has one of the hottest climates on the planet. At the height of summer, temperatures can reach a high of 41ºC in the shade. But the emirate's urban growth - between 10 percent and 13 percent, year on year, for the past four decades - has boosted those figures.

Pilgrims attending Hajj in Saudi Arabia may be at risk of extreme heat and humidity that is driven by climate change

It has been calculated that golf courses in the US use, on average, 130,000 gallons of water each day. Those in the kingdom and elsewhere will likely use many times that amount, as well as fertilisers, pesticides and herbicides to keep them alive. All these chemicals eventually feed into precious groundwater supplies, potentially causing pollution problems. 

In 2017, scientists warned that climate change means that the Middle East and North African region (MENA) is susceptible to some of the more severe consequences of warming, including lethal heat waves, extensive drought and rising sea levels.

Morocco was ranked second of 57 countries in this year's Climate Change Performance Index (CCPI), which examines four performance categories: emissions, renewable energy, energy use and climate policy. But while Egypt was mid-table at 21st, Turkey came in at 47th, Iran was 55th and Saudi Arabia was last at 57th, a position it has held for the past few years.

There's no technical reason why, perhaps in return for a cheaper phone bill, you mightn't consent to be shown not the quickest route between two points, but the quickest route that passes at least one Starbucks. If you're looking at the world through Google glasses, who determines which aspects of "augmented reality" data you see - and did they pay for the privilege?

it's hard to interpret the occasional aerial snapshot of your garden as a big issue when the phone in your pocket is assembling a real-time picture of your movements, preferences and behaviour

"There's kind of a fine line that you run," said Ed Parsons, Google's chief geospatial technologist, in a session at the Aspen Ideas Festival in Colorado, "between this being really useful, and it being creepy."

"Google and Apple are saying that they want control over people's real and imagined space."

It can be easy to assume that maps are objective: that the world is out there, and that a good map is one that represents it accurately. But that's not true. Any square kilometre of the planet can be described in an infinite number of ways: in terms of its natural features, its weather, its socio-economic profile, or what you can buy in the shops there. Traditionally, the interests reflected in maps have been those of states and their armies, because they were the ones who did the map-making, and the primary use of many such maps was military. (If you had the better maps, you stood a good chance of winning the battle. The logo of Britain's Ordnance Survey still includes a visual reference to the 18th-century War Department.) Now, the power is shifting. "Every map," the cartography curator Lucy Fellowes once said, "is someone's way of getting you to look at the world his or her way."

The question cartographers are always being asked at cocktail parties, says Heyman, is whether there's really any map-making still left to do: we've mapped the whole planet already, haven't we? The question could hardly be more misconceived. We are just beginning to grasp what it means to live in a world in which maps are everywhere - and in which, by using maps, we are mapped ourselves.

Pakistan, whose rate of automobile ownership is 8 per 1,000 people (as compared to 765 per 1,000 in the US), has contributed almost nothing to the blanket of greenhouse gases warming the earth and the oscillating weather patterns that result. But many Pakistani observers attribute the scale of the flooding and displacement in part to a series of decisions by the Pakistani state --namely, the building of large dams at key points along the course of the Indus. Dams, of course, are the quintessential symbol of modernity in water infrastructure. Seeking to emulate the American civil engineers who made the Californian desert bloom, post-colonial states across the Middle East and Asia hurried to erect taller and taller dams to catch the water that would enable a green revolution in every river basin and churn out electricity to light every city street. Aside from the social dislocation caused by their construction, the dams’ sustainability is now greatly in doubt. For one thing, dams are subject to the law of unintended consequences. In Egypt, the dams around Aswan eliminated the annual flooding of the Nile, allowing for reliable year-round irrigation and greatly expanded agricultural productivity. But the yearly floods also had a cleansing effect; now rural areas are pocked with stagnant pools where the parasite that causes bilharzia flourishes. In Pakistan, the blockage of the Indus has led to high soil salinity and greater sedimentation upstream, robbing the delta of its richest soil, and in effect raising the riverbed and making swathes of previously dry land part of the floodplain.

As so often in quasi-natural disasters, the poor and disenfranchised bear the overwhelming brunt of the Pakistan flooding

Once again, the world is confronted with the mind-bending irony that the US military, precisely because it is the most fearsome and lavishly funded war machine in human history, is the only entity capable of the rapid, all-out emergency response that is called for. And the motive is never purely altruistic: As in 2004, when the Navy’s aid to tsunami victims assuaged the American conscience after Abu Ghraib, so the hope will be that sending helicopters to Pakistan will persuade fewer of them to hate us.

Part of the problem is apparently Pakistan’s “image deficit”; a Care International official told Agence France Presse that donors need to be convinced their gifts will not “go to the hands of the Taliban.” This “image deficit” perhaps explains why the American media has not launched anything close to the earnest publicity and fundraising blitzes that occurred after the tsunami and the earthquake in Haiti.

For the generals who continue to dominate Pakistani governance despite the government’s civilian face, the shadowboxing with India still dictates every move.

The river of money flowing to Pakistan is intended to float a set of unpopular policies that Washington has no intention of changing and a government that Washington would hate to see genuinely democratized. In the case of the floods, and water management generally, democratization would mean treating the hard-hit citizenry as agents of recovery and reconstruction, whose ideas for repairing the local waterworks, being derived from lived experience, might make more sense than those of the World Bank’s credentialed experts. Instead, it appears that the Pakistani state and international community will treat the flood victims as objects of relief aid. This kind of powerless victimhood leaves few avenues for citizen activism besides protest, some of which has already turned deadly. These realities are integral to the political instability that the West fears will emerge now that disaster has struck.

On the political front, there has been no indication of a thaw. The UAE and Saudi Arabia have said the dispute is not a priority and that Qatar must accept a list of conditions before ties are restored. Qatar has said that although it would like the matter resolved it is moving on and last year quit oil producer group OPEC, of which Saudi Arabia is de facto leader.

Qatar’s economy has largely weathered the boycott thanks to the tiny country’s vast wealth, which was swiftly deployed by the government to support the financial sector. The world’s largest natural gas exporter also forged new trade links to meet domestic demand, including basic goods such as food, and construction material as it prepares to host the 2022 World Cup.

Though most Gulf states weathered the Arab spring without serious unrest, the revolutions elsewhere unnerved them. The UAE stepped up domestic surveillance and rounded up activists. Qatar passed a “cyber-crime” law that is broad and easily abused. Political activity was never encouraged in the Gulf, but after 2011 it was ruthlessly punished.

Liberal-minded Saudis who can afford to leave the country often cool their heels in London or Washington.

Barely two years ago young people were flocking home to work with Prince Muhammad. Many found the kingdom’s social strictures stifling. In the crown prince, though, they saw a kindred spirit, a fellow millennial who wanted to reform the economy and culture. He delivered on the latter, permitting women to drive and allowing once-banned cinemas and concerts.“And then everything changed,” says one 30-something who took a government job. Hardly a fire-breathing dissident, she supports the monarchy and the goals of the Saudi-led war in Yemen (if not Saudi tactics there). But after Khashoggi’s murder and the arrests of hundreds of activists at home, she is planning to resign.

Over the next eight years, a weird system developed. The companies that owned the ships were allowed to cycle crews through the ships, maintaining skeleton crews to keep them afloat, but weren’t allowed to sail the ships out of the canal. As time passed, the ships communicated with each other and grew into a community. They formed the Great Bitter Lake Association to administer to the needs of the crew.

The ships pooled resources, including food and beer, and developed a system to keep everyone fed during the crisis. In addition to stamps, the sailors created dinnerware and patches to show their association with the GBLA. In 1968, the GBLA ran its own Olympic Games 10 days ahead of the real thing. The crews competed in 14 events, including diving, sprinting, high jump, archery, and water polo. Polish crews even minted medals to hand out at an awards ceremony. A soccer playing dog named Bullbul participated in the games and was awarded a medal.

Things continued this way aboard the ships until 1975 when Egypt lifted the blockade at the end of the Yom Kippur War. Only two of the ships were able to leave on their own power. Weather, neglect, and repeated salvage operations had worn out the other 12. Fifty years on, the surviving crew of the ships meets infrequently and keeps the story alive online. Many of them describe the period as one of the happiest of their lives.

“Up until the Six-Day War, the size of the tankers was limited so that they could go through the canal. The largest to go through was a 150,000 deadweight tonnage Norwegian tanker,” Senker said in Stranded in the Six-Day War. “After the canal closed, there was ‘an almost overnight demand for a 25 percent increase in oil tanker capacity.’ The shipping companies began to build ever-bigger supertankers, and there was an ‘explosive growth of merchant fleets.’”

Tensions between the KDP and the PKK have been rising since the summer, when KDP forces deployed in Zine Warte, a strategic mountain pass linking the PKK’s main bases in the Qandil mountains along the Iran-Iraq border to valleys accessing the north and south. The move came as Turkey, which has thousands of forces deployed across Iraqi Kurdistan, launched a large-scale land and air offensive against the PKK. The operations, now slowed down by unfavorable winter weather, are part of a broader campaign to encircle and cut off the PKK’s strongholds in Amedi, Qandil and Yazidi-dominated Sinjar near the Syria border from one another.

The KDP has repeatedly called on both Turkey and the PKK to carry their fight elsewhere as Kurdish civilians continue to get killed in Turkish drone strikes, but to no effect.

An SDF source who declined to be identified by name denied KRG allegations that the Syrian Kurdish force was facilitating the passage of YPG and PKK fighters into Sinjar. “These claims aren’t true and the Iraqis know that,”

Iraqi Kurdistan’s Fish Khabur border crossing to northeast Syria is the main supply line for incoming humanitarian aid and for military and logistical supplies for coalition forces based in an area run by Syrian Kurds. The KDP is the dominant force on the Iraqi side of the frontier. Should relations between the KDP and the SDF deteriorate, that access might be compromised for the 700 to 1,000 mainly American forces deployed across the border in Syria.

An Iraqi analyst who closely monitors the Kurdish region said in emailed comments to Al-Monitor that the KDP sees Kobane “as an extension of the PKK in some way. At the same time [Kobane] has with the support of the Americans been able to establish control over the Syrian side [of the common border] and reduce the influence of the KDP in that area, which is something [the KDP] doesn’t like.”

PKK source in the Iraqi Kurdistan region argued, however, that the root of the current tensions was Turkey, whose continued repression of its own large Kurdish minority is bloodily spilling over its borders into Syria and Iraq. “The KDP is not exercising its own will, but that of Turkey, because of its [economic] dependency on Turkey,” he said. Kurdistan’s oil, a main source of income, flows through a pipeline to Turkish export terminals on the Mediterranean Sea.

Today’s tensions stem, in many ways, from the original foundations of the odd-couple relationship: an oil-for security bargain that always sought, but never fully managed, to bridge the divide between a liberal democracy and a conservative religious monarchy

Some experts believe U.S.-Saudi ties will ultimately weather the storm, as they always have, because of the need for a large, wealthy, and anti-Iran anchor for U.S. interests in the Middle East

“But we don’t need the Saudis anymore—this comes in a very different geopolitical environment than previous crises.”

Saudi Arabia was one of the only countries in the world that continued to receive U.S. Lend-Lease aid after the end of the war.

essentially underwriting the security of an oil-rich desert sheikdom to keep oil supplies flowing—and to keep the Soviets out of the Middle East.

Roosevelt had met Ibn Saud hoping for Saudi support for a Jewish homeland in the Middle East, which the king vehemently opposed, and the U.S. president—in Saudi eyes—gave his word not to press the matter. But Truman, Roosevelt’s successor, eventually supported the creation of Israel, sowing years of distrust and cries of betrayal in Saudi Arabia

“In my conversations with the king, the crown prince, and the deputy crown prince, they favored the effort to halt Iran’s nuclear weapons program. But they wanted more: They wanted us to push on Iran’s actions in Iraq, Syria, and Yemen, and we didn’t do that.”

The Iranian revolution, as well as an assault that same year on the Grand Mosque in Mecca, terrified Saudi leadership, who saw how vulnerable their own position was. The revolution, by removing the shah and creating permanent enmity with the United States, left Saudi Arabia as America’s main linchpin in the Middle East, all the bad blood from the oil embargo notwithstanding

Fearful of being toppled by religious radicals, Saudi leaders embraced a much more conservative line and empowered hard-line religious leaders in their own country, the first steps toward a decadeslong program to export the austere Wahhabi brand of Islam particular to the kingdom. Soon, wealthy Saudis, including one Osama bin Laden, started funding the Muslim mujahideen who were fighting the Soviet invasion of Afghanistan that began the same year as the Iranian revolution. Two decades later, that Saudi lurch toward a harsher official line on religion would end up creating the biggest crisis yet in the special relationship.

“The relationship never really recovered from 9/11,”

the George W. Bush administration, despite vehement Saudi objections, decided to invade Iraq to topple Saddam Hussein. Saudis feared that would open the door to greater Iranian influence on their doorstep, as in fact happened.

In the end, the United States and Saudi Arabia patched up the dispute, and the oil embargo ended by the spring of 1974. But the scars it left were deep and long-lasting, permanently damaging Saudi Arabia’s image in American popular opinion, and leaving deep-rooted fears that the Saudis could and would use their oil weapon to damage U.S. interests—a fear that has persisted even though the nature of the Saudi oil threat has changed.

“King Abdullah was very respectful and liked Obama personally, but there were things they couldn’t understand,” said Westphal, who was present for three of Obama’s record four trips to Saudi Arabia. “‘Why are you supporting Maliki, who is essentially handing over his country to the Iranians? How can you not depose Assad?’”

Since 1979, Saudi leaders had seen Iran as the gravest threat to the region and their own security, and U.S. efforts to reach a nuclear deal while seemingly letting Iran continue its destabilizing behavior in the region unsettled the Saudis.

“There’s no question that the Arab Spring unsettled the U.S. relationship with the Saudis. For them, the U.S. response [to calls for reform in the Arab world] was way too sympathetic, and the relationship cooled,”

Saudi leaders famously rolled out the red carpet, and a glowing orb, for Trump’s first overseas trip as president. It seemed a surprising about-face after Trump’s attacks on Muslims, and repeated attacks on Saudi Arabia, on the campaign trail, when he accused the kingdom of carrying out 9/11, criticized it for sponging off American protection, and threatened an economic boycott. Saudi leaders were happy to overlook Trump’s comments, eager to forge ties with an untested and unorthodox president before other foreign leaders could. “Washington is like Rome in the Roman Empire, and we are like a satellite state—you pay homage to the emperor,” Shihabi said. “You could put a monkey in the White House, and we’d pay homage.”

The playbook that has reliably worked since 1945 to ground the bilateral ties in personal relationships with the president now seems to be backfiring. Mohammed bin Salman, reviled by many in Congress for his alleged role in the Khashoggi killing, as well as other continued human rights abuses inside Saudi Arabia and in Yemen, is seen as being exceptionally close to Kushner and Trump. Riding the coattails of a historically unpopular, already-impeached president isn’t the best way to improve Saudi Arabia’s image.

Despite decades of close economic ties and military and counterterrorism cooperation, Saudi Arabia never seemed to plant deep roots in the United States that would institutionalize the relationship beyond kings, generals, and presidents. This meant when tensions flared up between the two countries, Riyadh didn’t have many outside allies to come to its defense in Washington

Mohammed bin Salman’s foreign-policy excesses: the disastrous war in Yemen, the bizarre virtual kidnapping of Lebanon’s prime minister to pressure Iran and Hezbollah, and an embargo on Qatar, its small neighbor and a key U.S. military partner. At home, there was the regular drumbeat of reports on human rights violations, plus a $100 billion shakedown on wealthy political rivals to consolidate power under the guise of an anti-corruption campaign.

As long as they’ve been a country—they’re so young—they really don’t know what their place in the world would be like without the backing of the United States,”

Unlike in 1973, when Saudi Arabia used the oil weapon to jack up oil prices and hurt the United States, this time crashing oil prices did the trick. U.S. shale producers need oil prices above $40 a barrel to break even; the Russian-Saudi price war sent the price of oil to $25 and then into the single digits, ensuring a wave of bankruptcies and economic hardship from Texas to North Dakota.

“The Saudis have a deep problem with the Democrats, and that’s been clear for a long time. Now they have spoiled their relationship with Republicans,”

In the summer of 2019, when Iranian attacks on oil tankers near the Persian Gulf threatened the flow of oil, Trump’s response was to tell allies such as Japan and South Korea to protect their own ships, questioning why the United States should continue to carry out a mission it’s done for decades unless other countries coughed up cash. That fall, key Saudi oil facilities were attacked, allegedly by Iran, knocking out 5 percent of global oil production in a matter of minutes. The U.S. response, other than a Trump tweet, was to do nothing.

The bitter recriminations during this spring’s oil price war, coming on the heels of the Khashoggi murder, the continued war in Yemen, and other Saudi missteps, give many observers reason to believe that the relationship is due for a fundamental rethink.

as long as the United States continues to view Iran as a major threat, close relations with Saudi Arabia will have a strong appeal

the planet could see a greater temperature increase in the next 50 years than it did in the last 6,000 years combined. By 2070, the kind of extremely hot zones, like in the Sahara, that now cover less than 1% of the earth’s land surface could cover nearly a fifth of the land, potentially placing 1 of every 3 people alive outside the climate niche where humans have thrived for thousands of years. Many will dig in, suffering through heat, hunger and political chaos, but others will be forced to move on

In Southeast Asia, where increasingly unpredictable monsoon rainfall and drought have made farming more difficult, the World Bank points to more than 8 million people who have moved toward the Middle East, Europe and North America. In the African Sahel, millions of rural people have been streaming toward the coasts and the cities amid drought and widespread crop failures. Should the flight away from hot climates reach the scale that current research suggests is likely, it will amount to a vast remapping of the world’s populations.

Migration can bring great opportunity not just to migrants but also to the places they go

Northern nations can relieve pressures on the fastest-warming countries by allowing more migrants to move north across their borders, or they can seal themselves off, trapping hundreds of millions of people in places that are increasingly unlivable. The best outcome requires not only goodwill and the careful management of turbulent political forces; without preparation and planning, the sweeping scale of change could prove wildly destabilizing. The United Nations and others warn that in the worst case, the governments of the nations most affected by climate change could topple as whole regions devolve into war

To better understand the forces and scale of climate migration over a broader area, The New York Times Magazine and ProPublica joined with the Pulitzer Center in an effort to model, for the first time, how people will move across borders

The story is similar in South Asia, where nearly one-fourth of the global population lives. The World Bank projects that the region will soon have the highest prevalence of food insecurity in the world. While some 8.5 million people have fled already — resettling mostly in the Persian Gulf — 17 million to 36 million more people may soon be uprooted, the World Bank found. If past patterns are a measure, many will settle in India’s Ganges Valley; by the end of the century, heat waves and humidity will become so extreme there that people without air conditioning will simply die.

If governments take modest action to reduce climate emissions, about 680,000 climate migrants might move from Central America and Mexico to the United States between now and 2050. If emissions continue unabated, leading to more extreme warming, that number jumps to more than a million people. (None of these figures include undocumented immigrants, whose numbers could be twice as high.)

As with much modeling work, the point here is not to provide concrete numerical predictions so much as it is to provide glimpses into possible futures. Human movement is notoriously hard to model, and as many climate researchers have noted, it is important not to add a false precision to the political battles that inevitably surround any discussion of migration. But our model offers something far more potentially valuable to policymakers: a detailed look at the staggering human suffering that will be inflicted if countries shut their doors.

the coronavirus pandemic has offered a test run on whether humanity has the capacity to avert a predictable — and predicted — catastrophe. Some countries have fared better. But the United States has failed. The climate crisis will test the developed world again, on a larger scale, with higher stakes

Climate is rarely the main cause of migration, the studies have generally found, but it is almost always an exacerbating one.

Drought helped push many Syrians into cities before the war, worsening tensions and leading to rising discontent; crop losses led to unemployment that stoked Arab Spring uprisings in Egypt and Libya; Brexit, even, was arguably a ripple effect of the influx of migrants brought to Europe by the wars that followed. And all those effects were bound up with the movement of just 2 million people. As the mechanisms of climate migration have come into sharper focus — food scarcity, water scarcity and heat — the latent potential for large-scale movement comes to seem astronomically larger.

North Africa’s Sahel provides an example. In the nine countries stretching across the continent from Mauritania to Sudan, extraordinary population growth and steep environmental decline are on a collision course. Past droughts, most likely caused by climate change, have already killed more than 100,000 people there. And the region — with more than 150 million people and growing — is threatened by rapid desertification, even more severe water shortages and deforestation. Today researchers at the United Nations estimate that some 65% of farmable lands have already been degraded. “My deep fear,” said Solomon Hsiang, a climate researcher and economist at the University of California, Berkeley, is that Africa’s transition into a post-climate-change civilization “leads to a constant outpouring of people.”

Our model projects that migration will rise every year regardless of climate, but that the amount of migration increases substantially as the climate changes. In the most extreme climate scenarios, more than 30 million migrants would head toward the U.S. border over the course of the next 30 years

every one of the scenarios it produces points to a future in which climate change, currently a subtle disrupting influence, becomes a source of major disruption, increasingly driving the displacement of vast populations.

rough predictions have emerged about the scale of total global climate migration — they range from 50 million to 300 million people displaced — but the global data is limited, and uncertainty remained about how to apply patterns of behavior to specific people in specific places.

Once the model was built and layered with both approaches — econometric and gravity — we looked at how people moved as global carbon concentrations increased in five different scenarios, which imagine various combinations of growth, trade and border control, among other factors. (These scenarios have become standard among climate scientists and economists in modeling different pathways of global socioeconomic development.)

We are now learning that climate scientists have been underestimating the future displacement from rising tides by a factor of three, with the likely toll being some 150 million globally. New projections show high tides subsuming much of Vietnam by 2050 — including most of the Mekong Delta, now home to 18 million people — as well as parts of China and Thailand, most of southern Iraq and nearly all of the Nile Delta, Egypt’s breadbasket. Many coastal regions of the United States are also at risk.

Around 2012, a coffee blight worsened by climate change virtually wiped out El Salvador’s crop, slashing harvests by 70%. Then drought and unpredictable storms led to what a U.N.-affiliated food-security organization describes as “a progressive deterioration” of Salvadorans’ livelihoods.

climate change can act as what Defense Department officials sometimes refer to as a “threat multiplier.”

For all the ways in which human migration is hard to predict, one trend is clear: Around the world, as people run short of food and abandon farms, they gravitate toward cities, which quickly grow overcrowded. It’s in these cities, where waves of new people stretch infrastructure, resources and services to their limits, that migration researchers warn that the most severe strains on society will unfold

the World Bank has raised concerns about the mind-boggling influx of people into East African cities like Addis Ababa, in Ethiopia, where the population has doubled since 2000 and is expected to nearly double again by 2035

now a little more than half of the planet’s population lives in urban areas, but by the middle of the century, the World Bank estimates, 67% will. In just a decade, 4 out of every 10 urban residents — 2 billion people around the world — will live in slums

El Paso is also a place with oppressive heat and very little water, another front line in the climate crisis. Temperatures already top 90 degrees here for three months of the year, and by the end of the century it will be that hot one of every two days. The heat, according to researchers at the University of California, Berkeley, will drive deaths that soon outpace those from car crashes or opioid overdoses. Cooling costs — already a third of some residents’ budgets — will get pricier, and warming will drive down economic output by 8%, perhaps making El Paso just as unlivable as the places farther south.

High emissions, with few global policy changes and relatively open borders, will drive rural El Salvador — just like rural Guatemala — to empty out, even as its cities grow. Should the United States and other wealthy countries change the trajectory of global policy, though — by, say, investing in climate mitigation efforts at home but also hardening their borders — they would trigger a complex cascade of repercussions farther south, according to the model. Central American and Mexican cities continue to grow, albeit less quickly, but their overall wealth and development slows drastically, most likely concentrating poverty further. Far more people also remain in the countryside for lack of opportunity, becoming trapped and more desperate than ever.

By midcentury, the U.N. estimates that El Salvador — which has 6.4 million people and is the most densely populated country in Central America — will be 86% urban

Most would-be migrants don’t want to move away from home. Instead, they’ll make incremental adjustments to minimize change, first moving to a larger town or a city. It’s only when those places fail them that they tend to cross borders, taking on ever riskier journeys, in what researchers call “stepwise migration.” Leaving a village for the city is hard enough, but crossing into a foreign land — vulnerable to both its politics and its own social turmoil — is an entirely different trial.

I arrived in Tapachula five weeks after the breakout to find a city cracking in the crucible of migration. Just months earlier, passing migrants on Mexico’s southern border were offered rides and tortas and medicine from a sympathetic Mexican public. Now migrant families were being hunted down in the countryside by armed national-guard units, as if they were enemy soldiers.

Models can’t say much about the cultural strain that might result from a climate influx; there is no data on anger or prejudice. What they do say is that over the next two decades, if climate emissions continue as they are, the population in southern Mexico will grow sharply. At the same time, Mexico has its own serious climate concerns and will most likely see its own climate exodus. One in 6 Mexicans now rely on farming for their livelihood, and close to half the population lives in poverty. Studies estimate that with climate change, water availability per capita could decrease by as much as 88% in places, and crop yields in coastal regions may drop by a third. If that change does indeed push out a wave of Mexican migrants, many of them will most likely come from Chiapas.

even as 1 million or so climate migrants make it to the U.S. border, many more Central Americans will become trapped in protracted transit, unable to move forward or backward in their journey, remaining in southern Mexico and making its current stresses far worse.

Already, by late last year, the Mexican government’s ill-planned policies had begun to unravel into something more insidious: rising resentment and hate. Now that the coronavirus pandemic has effectively sealed borders, those sentiments risk bubbling over. Migrants, with nowhere to go and no shelters able to take them in, roam the streets, unable to socially distance and lacking even basic sanitation. It has angered many Mexican citizens, who have begun to describe the migrants as economic parasites and question foreign aid aimed at helping people cope with the drought in places where Jorge A. and Cortez come from.

a new Mexico-first movement, organizing thousands to march against immigrants

Trump had, as another senior government official told me, “held a gun to Mexico’s head,” demanding a crackdown at the Guatemalan border under threat of a 25% tariff on trade. Such a tax could break the back of Mexico’s economy overnight, and so López Obrador’s government immediately agreed to dispatch a new militarized force to the border.

laying blame at the feet of neoliberal economics, which he said had produced a “poverty factory” with no regional development policies to address it. It was the system — capitalism itself — that had abandoned human beings, not Mexico’s leaders. “We didn’t anticipate that the globalization of the economy, the globalization of the law … would have such a devastating effect,”

No policy, though, would be able to stop the forces — climate, increasingly, among them — that are pushing migrants from the south to breach Mexico’s borders, legally or illegally. So what happens when still more people — many millions more — float across the Suchiate River and land in Chiapas? Our model suggests that this is what is coming — that between now and 2050, nearly 9 million migrants will head for Mexico’s southern border, more than 300,000 of them because of climate change alone.

“If we are going to die anyway,” he said, “we might as well die trying to get to the United States.”

In the case of Addis Ababa, the World Bank suggests that in the second half of the century, many of the people who fled there will be forced to move again, leaving that city as local agriculture around it dries up.

Without a decent plan for housing, feeding and employing a growing number of climate refugees, cities on the receiving end of migration can never confidently pilot their own economic future.

The United States refused to join 164 other countries in signing a global migration treaty in 2018, the first such agreement to recognize climate as a cause of future displacement. At the same time, the U.S. is cutting off foreign aid — money for everything from water infrastructure to greenhouse agriculture — that has been proved to help starving families like Jorge A.’s in Guatemala produce food, and ultimately stay in their homes. Even those migrants who legally make their way into El Paso have been turned back, relegated to cramped and dangerous shelters in Juárez to wait for the hearings they are owed under law.

There is no more natural and fundamental adaptation to a changing climate than to migrate. It is the obvious progression the earliest Homo sapiens pursued out of Africa, and the same one the Mayans tried 1,200 years ago. As Lorenzo Guadagno at the U.N.’s International Organization for Migration told me recently, “Mobility is resilience.” Every policy choice that allows people the flexibility to decide for themselves where they live helps make them safer.

what may be the worst-case scenario: one in which America and the rest of the developed world refuse to welcome migrants but also fail to help them at home. As our model demonstrated, closing borders while stinting on development creates a somewhat counterintuitive population surge even as temperatures rise, trapping more and more people in places that are increasingly unsuited to human life

the global trend toward building walls could have a profound and lethal effect. Researchers suggest that the annual death toll, globally, from heat alone will eventually rise by 1.5 million. But in this scenario, untold more will also die from starvation, or in the conflicts that arise over tensions that food and water insecurity will bring

America’s demographic decline suggests that more immigrants would play a productive role here, but the nation would have to be willing to invest in preparing for that influx of people so that the population growth alone doesn’t overwhelm the places they move to, deepening divisions and exacerbating inequalities.

At the same time, the United States and other wealthy countries can help vulnerable people where they live, by funding development that modernizes agriculture and water infrastructure. A U.N. World Food Program effort to help farmers build irrigated greenhouses in El Salvador, for instance, has drastically reduced crop losses and improved farmers’ incomes. It can’t reverse climate change, but it can buy time.

Thus far, the United States has done very little at all. Even as the scientific consensus around climate change and climate migration builds, in some circles the topic has become taboo. This spring, after Proceedings of the National Academy of Sciences published the explosive study estimating that, barring migration, one-third of the planet’s population may eventually live outside the traditional ecological niche for civilization, Marten Scheffer, one of the study’s authors, told me that he was asked to tone down some of his conclusions through the peer-review process and that he felt pushed to “understate” the implications in order to get the research published. The result: Migration is only superficially explored in the paper.

Our modeling and the consensus of academics point to the same bottom line: If societies respond aggressively to climate change and migration and increase their resilience to it, food production will be shored up, poverty reduced and international migration slowed — factors that could help the world remain more stable and more peaceful. If leaders take fewer actions against climate change, or more punitive ones against migrants, food insecurity will deepen, as will poverty. Populations will surge, and cross-border movement will be restricted, leading to greater suffering. Whatever actions governments take next — and when they do it — makes a difference.

The world can now expect that with every degree of temperature increase, roughly a billion people will be pushed outside the zone in which humans have lived for thousands of years

“If we don’t develop a different attitude,” he said, “we’re going to be like people in the lifeboat, beating on those that are trying to climb in.”

issues such as securing electricity grids around the world against cyberattacks, since a decarbonized world will depend even more on electrical power as many additional sectors—such as buildings, cars, and trucks—are electrified

access to rare earths and other critical minerals such as lithium and cobalt will be even more important as raw materials for batteries, solar panels, and other renewable energy technologies.

defense leaders should work with their counterparts in other governments and within international institutions, such in the United Nations Security Council and NATO, to integrate climate change into their security agendas. Defense planning must increasingly consider the impacts of climate change, such as the threats of extreme weather to military installations, the stresses increased disaster assistance may pose to military readiness, and the risks food or water scarcity may pose to security in fragile states

From the standpoint of foreign policy, stronger domestic action can also lay the groundwork for cooperation instead of conflict with the European Union, which is planning to impose carbon border tariffs on imports from countries taking inadequate climate actions.

foreign policy must go beyond climate and energy diplomacy to make mainstream the consideration of climate change in all foreign-policy decisions. It may not always prevail when weighed against all other national security goals, but it is too important to be ignored.

Qatari authorities requested 250 Egyptian nationals, including Islamist opposition figure Abdallah al-Sherif, who ran a series of satirical programs on YouTube and Al Jazeera, to leave the country when diplomatic ties were first being established in 2022

With Cairo and Ankara establishing closer ties in 2021, the Turkish government instructed opposition media channels broadcasting from Turkish soil to stop criticizing Sisi and his government.

Italy’s Interior Minister Matteo Piantedosi met with his Tunisian and Libyan counterparts in Sicily on Thursday for talks on stopping the boats

There are fears arrivals could spiral further if instability in the Sahel affects North African countries.

also discuss regional challenges posed by natural disasters following a devastating earthquake in Morocco, a flood disaster in Libya, and extreme weather events in Southern Europe

Saied and his foreign ministry claimed surprise at the reaction, citing a circular from the African Union, which extended the invitation to all leaders, including Ghali. A statement was issued by the foreign ministry, reaffirming the country’s total neutrality in line with international law, stating, “This position will not change until the concerned parties find a peaceful solution acceptable to all.”

Morocco’s King Mohammed VI used a televised address to send what he said was a clear message to the world, telling viewers, “The Sahara issue is the prism through which Morocco views its international environment.”

with European gas prices soaring, Algeria—Europe’s third-largest gas supplier (after Russia and Norway) and the Polisario Front’s chief backer—is also enjoying a diplomatic renaissance. European politicians and regional power brokers are all enjoying a renewed interest in Algiers, with Tunisia’s Saied among them

Tunis also relies on Algeria for its own gas, buying it at a discounted price, as well as receiving revenue for the transport of Algerian gas across its territory, bound for Sicily and then the rest of Europe.

“The war in Ukraine and its impacts on Europe in terms of gas supplies reposition Algeria as an important player in the western Mediterranean,”

The plight of the Sahrawis is one of the world’s longest-standing refugee crises. Since 1975, thousands of Sahrawis have been sheltering in the Algerian desert, waiting for the opportunity to return home.

the U.N. estimates that around 90,000 “vulnerable refugees” are sheltering in the desert, relying on international aid just for their daily food and shelter.

“Weather conditions are especially adverse in this part of southern Algeria, where temperatures in summer can reach up to more than of 50 degrees Celsius (120 degrees Fahrenheit), which causes casualties among the elderly, children, and pregnant women.”

with both Algeria and Morocco having relatively static leaderships, where there is little change in personnel, the dispute was allowed to rumble on

“Things like climate change, earthquakes, drought — they are of course realities of our lives,” Durusu-Tanrıöver said. “But there are human actions that can be taken to foresee what will happen and behave accordingly.

In the half-century leading up to empire’s collapse, the scientists found, the rings inside the tree trunks gradually start to get narrower — suggesting that water shortages were limiting the junipers’ growth. Chemical analyses of the kind of carbon captured in the wood also showed how drought altered the trees at the cellular level.

cuneiform tablets from that time in which Hittite officials fretted over rising food prices and asked for grain to be sent to their cities. But Manning said the empire — which was known for its elaborate water infrastructure projects and massive grain silos in major cities — should have been able to survive this “low frequency” drought.

between 1198 and 1196 B.C., the region was struck by three of the driest years in the entire 1,000-year-long tree ring record. The abrupt spurt of intensely dry weather may have been more than the Hittites could bear. Within a generation, the empire had dissolved.

“Very few societies ever plan for more than one or two disasters happening consecutively.”

“But I think it’s naive to believe that three years of drought would bring down the storerooms of the Hittite empire,” Weiss said. He argues that the longer-term drying trend, which has been documented in other studies, was probably more significant.

“What’s a crisis for some becomes almost an opportunity for others,” Manning said. “You have adaptation and resilience in the form of new states and new economies emerging.”

Durusu-Tanrıöver blames an unsustainable economy and centralized political system. The intensive agricultural practices required to support the capital city probably exhausted the region’s water resources and weakened surrounding ecosystems

parallels to modern urban areas, which are both major sources of planet-warming pollution and especially vulnerable to climate change impacts like extreme heat.