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Martin O’Malley was mocked for suggesting that a climate-change-intensified drought in the Levant—the worst drought in 900 years—helped incite the Syrian Civil War, thus kickstarting the Islamic State. The evidence tentatively supports him. Since the outbreak of the conflict, some scholars have recognized that this drought pushed once-prosperous farmers into Syria’s cities. Many became unemployed and destitute, aggravating internal divisions in the run-up to the war

Scheffran underlined these climate connections but declined to emphasize them. “The Syrian War has so many complex interrelated issues—and most of them are political and economic—that the drought is just one contributing factor to the instability in the region,”

it’s all about the exogenous shock. We were all interested in, to what extent does a big event like a flooding or a drought undermine society, or trigger a conflict outbreak?

Heatwaves, droughts, and other climate-related exogenous shocks do correlate to conflict outbreak—but only in countries primed for conflict by ethnic division. In the 30-year period, nearly a quarter of all ethnic-fueled armed conflict coincided with a climate-related calamity. By contrast, in the set of all countries, war only correlated to climatic disaster about 9 percent of the time

climate disaster will not cause a war, but it can influence whether one begins

Models predict that northern Africa and the Levant, both already drought-prone, will dry out significantly over the course of the century. On the phone, Schleussner also cited southern Africa and south-central Asia as regions to watch. (It’s no coincidence that some of the largest, longest wars this century have occurred in those places.)

a drought-and-flood-fueled armed conflict near the Mediterranean Basin could send people toward Western Europe in the hundreds of millions

“I wouldn’t say that there would be a mass migration to Europe, but I would expect to see a large number of people being displaced within Africa,”

There is literally, in legal parlance, no such thing as an environmental refugee,” says Edward Carr. “To meet the international standard for refugee, a changing environment is not a forcing. It doesn’t count.”

When would you attribute the decision to move to changes in the climate? Does a place have to be dry for five years? For 10 years? Does someone have to have three children die, and then they decide to move?

Climate change could push Western politics toward demagoguery and authoritarianism in two ways, then. First, it could devastate agricultural yields and raise food prices; destroy coastal real estate and wash away family wealth; transform old commodities into luxury goods. Second, it could create a wave of migration—likely from conflict, but possibly from environmental ruination—that stresses international reception systems and risks fomenting regional resource disputes.

it could erode people’s sense of security, pushing them toward authoritarianism

Like the CEO in the 1950s who predicted that America would see flying cars and three-day workweeks by the year 1999, I’ve assumed that every ongoing trend line can be extrapolated out indefinitely. They can’t. The actual future will be far stranger.

climate change must be mitigated with all deliberate speed. But he also suggests certain cultural mechanisms. Some Americans may favor more restrictive immigration policies, but—in order to withstand against future waves of mass migration (and humanely deal with the victims of climate change)—racist fears must be unhooked from immigration restrictionism. In other words, as a matter of survival against future authoritarians, white supremacy must be rejected and defeated.

Improving the United States’s immune response to authoritarian leadership—a response that could be repeatedly tested in the century to come—can follow from weaving its civic fabric ever tighter. I don’t know what this will look like, exactly, for every person. But here are some places to start: Volunteer. Run for local or state office. Give to charity (whether due to religion or effective altruism). Organize at work. Join a church or a community choir or the local library staff. Make your hometown a better place for refugees to settle. Raise a child well.

climate realists have always split their work between mitigation—that is, trying to keep the climate from getting worse—and adaptation—trying to protect what we already have

“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.

Operators of hyperscale data centers, those with more than 5,000 servers, are migrating to places where water is plentiful, such as Norway, but also to drought-prone places like Italy and Spain where energy is cheaper—and where extreme heat is becoming the norm.

A survey conducted last year by the Uptime Institute, a consulting firm, found that only 39% of data centers even tracked their water use, a 12 percentage-point drop from 2021. Tech companies in the past have refused to disclose information about individual centers’ energy and water consumption, claiming that such data was a trade secret.

Over the last couple of years, Google, Meta and Microsoft have started publishing their total water use across their operations, but they don’t break the number down by business unit nor use standardized metrics. Bluefield Research has estimated data centers use more than a billion liters of water per day, including water used in energy generation.

Operators often use shell companies to apply for planning permissions, and a data center can look like any large warehouse or factory from the outside.

Arman Shehabi, a researcher at the Lawrence Berkeley National Laboratory in California best known for a landmark paper on energy consumption at data centers, thinks the facilities could contribute to scarcity as droughts become longer and more intense. Part of the problem, he says, is that data center operators “are generally the last ones to the table to ask,” straining the system by asking for access to scarce water after agricultural interests and local communities have already come up with a plan. “Everybody is going to feel that,” he says.

Companies say data centers are getting more energy-efficient, but the increase in overall demand for computing power is outpacing such gains.

The specialized chips required for AI—broadly known as accelerators—emit so much more heat than general-purpose chips do that data center operators are having to rethink their cooling systems entirely

over time data centers will need to radically change the way they dissipate heat. The gold standard, he says, is a process called immersive cooling, in which servers are bathed in a special fluid that transfers heat from the chips. For now, operators are likely to opt for a hybrid model, wherein a high-performance section of the data center will be liquid-cooled while the rest will continue to use air conditioning

Amazon Web Services, Google and Microsoft have all made water stewardship pledges, promising to use more nonpotable and recycled water and to replenish more water than they consume operationally by 2030. This is the equivalent to offsetting carbon by planting trees—something that looks good on paper but may not directly benefit the communities affected by data centers, because water may be replenished only in places where it’s easy to do so.

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.

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.

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

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

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.

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.

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.”

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.

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.

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.)

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.

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

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

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.”

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

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.

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.

“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.”

Economic power, location, and access to resources determine how communities can respond to climate impacts. But these factors are shaped by existing global injustices: the history of slavery, colonialism, and imperialism that enriched some countries at the expense of others. Global warming has exacerbated these inequalities, and the climate crisis will lead to new divisions between those who can mitigate its impact and those who cannot.

The climate crisis is the result of the relentless pursuit of private interests by both multinational corporations and powerful countries: Fossil fuel companies seek profit, governments seek energy security, and private investors seek financial security. These pursuits have contributed to the campaigns of climate denialism that have slowed the international response to climate crisis, and that continue to fuel resource and land grabbing in many parts of Africa, Latin America, and Asia.

when short-term shareholder value faces off against the public good—and it often does—the former tends to win out. This mismatch of incentives is itself a fundamental cause of the climate crisis

to mitigate climate change effectively and fairly, the international community needs to broadly redistribute funds across states to respond to inequalities in resilience capacity and the unjust system underpinning them

When refugee flows from non-European countries increased in the second half of the 20th century, many Western powers shifted policy. While some refugees were accepted and resettled, many others were warehoused, detained, or subject to refoulement—forcible return—in violation of the U.N. Convention and Protocol Relating to the Status of Refugees.

The United Nations High Commission for Refugees (UNHCR) has so far refused to grant refugee status—and the protection that comes with it—to the 21.5 million people fleeing their homes as a result of sudden onset weather hazards every year, instead designating them as “environmental migrants.”

climate reparations are better understood as a systemic approach to redistributing resources and changing policies and institutions that have perpetuated harm—rather than a discrete exchange of money or of apologies for past wrongdoing

two distinct but interconnected issues: climate change mitigation, which would aim to minimize displacement; and just climate migration policy, which would respond to the displacement that governments have failed to prevent

The continuation of this status quo will make climate colonialism a near certainty, especially considering recent responses to migration in Europe, Australia, and the United States. Rich Western countries have already responded punitively to migration, holding thousands of migrants in detention centers under horrific conditions and responding with indifference or violence to attempted suicides and protests by the incarcerated for better treatment. Since 2015, European countries have reacted aggressively to the plight of asylum seekers; there is no indication that their response to climate refugees would be any more humane.

A reparatory approach to the climate crisis would require an overhaul of the existing international refugee regime. With this approach, the international community would reject the framing of refugee policy as rescue and rethink the framework that allows states to confine refugees in camps with international approval

In the context of the climate crisis, the West is responsible for more than secondary harms experienced within the international refugee regime. A reparatory approach seeks to understand which harms were committed and how through structural change, those harms can be addressed. A historically informed response to climate migration would force Western states to grapple with their role in creating the climate crisis and rendering parts of the world uninhabitable.

A failure to admit more refugees will accelerate the worst political effects of the climate crisis: fueling the transition of eco-fascism from fringe extremism to ruling ideology. The recognition of rights to movement and resettlement, and a steady liberalization of rich-country border policies fit under a reparatory framework, especially when paired with more sensible mitigation policies. However extreme this renegotiation of state sovereignty and citizenship may seem, it’s nowhere near as extreme as the logical conclusion of the status quo’s violent alternative: mass famine, region-scale armed conflict, and widespread displacement.

this has been one of the driest years in the last three decades for Chihuahua, the Mexican border state responsible for sending the bulk of the water Mexico owes. Its farmers have rebelled, worried that losing any more water will rob them of a chance for a healthy harvest next year.“These tensions, these tendencies, are already there, and they’re just made so much worse by climate change,” said Christopher Scott, a professor of water resources policy at the University of Arizona. “They are in a fight for their lives, because no water, no agriculture; no agriculture, no rural communities.”

Since February, when federal forces first occupied the dam to ensure water deliveries to the United States continued, activists in Chihuahua have burned government buildings, destroyed cars and briefly held a group of politicians hostage. For weeks, they’ve blocked a major railroad used to ferry industrial goods between Mexico and the United States.

Mexico’s president, Andrés Manuel López Obrador, who has repeatedly bent to President Trump’s demands on immigration, has vowed that his country will make good on its water obligations to the United States — whether the state of Chihuahua likes it or not.

Mr. Velderrain, 42, said he never saw himself as the type of person who would lead hundreds over a hill to overwhelm a group of soldiers protecting a cache of automatic weapons. But there he was in a video posted on Facebook, escorting a Mexican general out of the Boquilla Dam on the day he led the takeover.

With the intensity of the drought in Chihuahua this year, Mexico has fallen far behind on its water shipments to the United States. It now has to send more than 50 percent of its average annual water payment in a matter of weeks. The Mexican government insists it will still comply, despite the takeover of the dam, which spans the Conchos River, a major tributary of the Rio Grande. But some Texans have their doubts.

The treaty doesn’t punish either side for shirking its duties but, eager to avoid conflict, Mexico is scrambling to find a way to meet its water obligations as the deadline nears. One of the likeliest solutions is that Mexico will hand over a significant amount of the water it owns in reservoirs, normally used by more than a dozen Mexican cities. In exchange, Mexico has asked the United States to lend it drinking water for those cities, if Mexico ends up running out.

Mexico’s need for water has grown since the signing of the North American Free Trade Agreement in the 1990s, as more people settled in the country’s dry border region and agricultural production ramped up to satisfy American consumers.

“I myself will migrate if I don’t have anywhere to work here.”

Tensions escalated this year, as the U.S.-brokered negotiations between Ethiopia and Egypt unraveled and new talks mediated by the African Union began

Construction of the dam was completed in July, and the filling of its reservoir started soon after amid heavy rains but before an agreement between Ethiopia, Egypt, and Sudan was signed. The U.S. government, a top source of aid for both Ethiopia and Egypt, said in August that it would halt some aid to Ethiopia over what it saw as a unilateral move to progress with the dam.

Social media users from the two countries frequently collide on the Internet, but seem to do so most often on Adel el-Adawy’s Twitter page: As a member of a prominent Egyptian political dynasty, a professor at the American University in Cairo, and the most visible disseminator of the Egyptian perspective on the dam in English, he has amassed a significant following. Adawy, whose pinned tweet is a picture of himself shaking hands with Egyptian President Abdel Fattah al-Sisi, posts frequently about the Nile and Ethiopian affairs, especially when things get sticky.

It’s possible that the engagement is coming from concerned Ethiopians at home and abroad, at the encouragement but not the behest of Ethiopian officials. “I have friends who joined Twitter just for the sake of this. It’s highly emotional and nationalistic,” said Endalkachew Chala, an Ethiopian communications professor at Hamline University in Minnesota.

The Ethiopian government does broadly engage in “computational propaganda,” according to a 2019 report from the Oxford Internet Institute. Agencies there use human-run social media accounts to spread pro-government propaganda, attack the opposition, and troll users. The same goes for the Egyptian government.

the first known time these kinds of digital tools have been used by people from one African country against people from another, said Gilbert Nyandeje, founder and CEO of the Africa Cyber Defense Forum. “It only means one thing. It means we should expect this more and more.”

the dam provided a unifying issue around which Ethiopians of all ethnic backgrounds could rally. “We do have a lot of divisions—ideological, ethnic, tribal, religious,” said Chala, the Ethiopian professor. “But even though we have these bitter divisions, Ethiopians have overwhelmingly supported this Nile dam especially on social media.”

at the core of Egyptian identity is the Nile, so bolstering nationalism means defending the Nile, too. And officials have encouraged this outlook: One sleekly produced video shared on Facebook by the Ministry of Immigration and Egyptian Expatriates Affairs warned, “More than 40 million Egyptians are facing the threat of drought and thirst.… The cause of water shortage is Ethiopia building a dam five times bigger than its needs.”

a show of vulnerability rare in Arab power politics. But the strategy has helped garner global sympathy for Egypt, even as its Nile claims are framed by Ethiopia as the result of unjust colonial-era agreements in which Egypt’s interests were represented by British colonizers.

For both countries—Egypt since the 2011 fall of Mubarak and Ethiopia since the 2012 death of strongman Prime Minister Meles Zenawi—national identity has been in flux

Ethiopian officials, meanwhile, continue to encourage Ethiopians to post about the dam online and often use the #ItsMyDam hashtag in their own social media posts. This use of social media to rally around the dam has also meant that Ethiopia’s massive global diaspora can get involved, without having to worry about frequent in-country Internet shutdowns that otherwise curtail online movements there.

The thousands of Ethiopian refugees, asylum seekers, and migrants living in Egypt are now facing greater pressure and harassment from Egyptian citizens and authorities since the dam tensions started to heat up

in Ethiopia, it has meant that any domestic criticism of the dam from an environmentalist point of view—namely, that it could disrupt ecosystems and biodiversity, even within Ethiopia—is met with derision

for both countries, surging nationalist sentiment means that it’s harder for officials to agree to, and for the public to accept, compromise

the main sticking points now are related to dispute resolution, drought contingency plans, and future upstream projects. And yet, much of the online rhetoric remains maximalist, even rejecting items that have already been unanimously decided—such as the existence of an Ethiopian Nile dam in any form—raising the possibility that the online tensions and attacks may not subside anytime soon

In 2007, Congress placed language in the National Defense Authorization Act that requires the military to consider effects of climate change on facilities, capabilities, and missions

The challenge with integrating climate change hazards with military planning has been that “climate change” is at the same time too general a term of reference yet is also too limiting

Many systems rely on predictable delivery of water, and too much or too little at the wrong time can spell catastrophe for agriculture, power, transport, or other critical systems linked around the globe

empirical cases of conflict between states directly over water supplies are historically rare

the Chinese drive for water security may spark a series of actions that others may interpret as threats even while inside China they may be technical responses to very real risks

The regional security difficulty lies not only in Tibetan politics, but in the fact that the Yarlung-Tsangpo becomes the Brahmaputra once it crosses into India in Arunachal Pradesh, a territory disputed by India and China and heavily militarized. Diversions affecting the Brahmaputra would imperil India's own water security, including hydropower and irrigation projects, and would have further impacts downstream in Bangladesh. Although China may see its water projects as increasing its own security, India and Bangladesh view the Chinese actions as a direct threat to their national security. Specifically, China's actions have the potential to increase the risk of water-related population stresses, cross-border tension, and migration and agricultural failures for perhaps a billion people in India and Bangladesh, and its actions may be interpreted as a security threat by India

through 2040, the best solutions to water problems are expected to be found in improved management strategies such as pricing, allocation decisions, and addressing international trade in “virtual water”—“water consumed in the manufacturing or growing of an export product”

The connections between extreme heat/drought in Russia in the summer of 2010 and the subsequent Arab Spring revolts in late 2010 are an example of where changes in one system (in this case, water/moisture for food production) may contribute to existing instability in a far different geographical region.

The topic of environmental security also raises questions about what or who is driving policy priorities and how science is (mis)communicated to policymakers.

Complex risk assessments must take into account the multidimensional and interdisciplinary nature of the strategic environment. Providing adequate resources for these complex assessments requires knowledge not only of climate and weather systems, but of particular geographical, cultural, and socioeconomic factors that make environmental hazards unique to each region and community

According to New York Times reporter Thanassis Cambanis, IS  left the staff at the Tabqa Dam unharmed and in place, allowing the facility to continue operations and even selling electricity back to the Syrian government. Similarly, oil fields under IS  control continue to pump. Indeed, IS  has shrewdly managed these resources to help ensure a steady and sustainable stream of revenue. As one IS fighter told the New York Times, while Assad’s loyalists chant “Assad or burn the country,” IS retorts “We will burn Assad and keep the country.” Beside revenue from oil and water, IS  collects a variety of commercial taxes, including on trucks and cellphone towers.

Whereas resources like diamonds or drugs motivate rebel forces to take as much as they can as quickly as they can, the need to manage capital and technology-intensive natural resources has actually increased the interdependence between IS and civilians. Already in effective control of significant amounts of oil and water, the Islamic State is one step closer to becoming a reality.

Zille encouraged residents to inform on water-hogging neighbors and become “water impimpis”—a callback to an apartheid-era term for black South Africans who spied for the white-dominated government.

Almost immediately after city leaders announced the first Day Zero predictions, they came under heavy scrutiny from citizens and activists, especially among Cape Town’s communities of color. Many in labor, socialist, and leftist organizations in the region didn’t believe Day Zero was even a thing. Elements from those organizations created the Cape Town Water Crisis Coalition, which protested Day Zero as propaganda designed both to cover up faulty city water management and to deny expanded access to low-income communities.

the management of the crisis has also sparked criticism from the African National Congress, or the ANC, the dominant party in the country. As the only opposition party to control a province, the DA is certainly used to strife with the ANC, but now old struggles over resources have brought that tension to a breaking point.

Deeply complicating the dynamic between the two parties is that the Western Cape is the major center of white demographic strength and political clout in the country, and that the DA—while embracing a membership of blacks, “coloured” multiracial descendants of indigenous peoples and Asian immigrants, and whites—often finds white leaders near or at the top

Under South Africa’s Constitution, the ANC is responsible for providing water to all citizens, but the actual infrastructure and services in the Western Cape falls upon the DA to manage

Last July, when confronted on Twitter by a black user who said that black residents in areas without running home water had experienced Day Zero from birth, Zille, who is white, responded with: “It must be a relief that you weren’t burdened by the legacy of a colonial water-piping system.” Zille, who’s faced harsh internal and external criticism for previous statements in defense of colonialism, this time suffered a rebuke from party boss Mmusi Maimane, and has since been officially suspended from party activities

Residents in well-apportioned suburbs pointed fingers at the mostly-black and poor residents of the so-called “informal settlements”—the tin-roofed, sprawling shanties that ring the outskirts of the city—despite the fact that these settlements use the least water per capita of any place in the province. And lacking internal plumbing and sewage, residents in the informal settlements often see in the city’s elites and governing class a neo-colonialist force, doling out resources at whim and mismanaging the commons

As they stand now, the Level 6B restrictions created by the city of Cape Town in January 2018 are supposed to limit residents to 50 liters per day, slash agricultural use by 60 percent below last year’s usage, aggressively push water-management devices and fines, and encourage the use of new fittings and other devices to minimize water waste.

Americans use somewhere around 90 gallons, or 340 liters, of water every 24 hours. That’s more than 700 pounds of water per day, and that’s not even counting what goes into the food you eat or the thirsty maws of the industries and services that sustain you

Right now, the water usage of the average Capetonian sits at about 125 liters per day, a dramatic decrease from the 200 daily liters of last year. Both of those levels sit below the average of developed cities worldwide, and well below the standard American usage of 340 liters.

the extreme social engineering brought about by the Day Zero campaign is unlikely to be a long-term solution to future water problems in Cape Town. Nor will it necessarily prove to be a sustainable model for other cities facing water shortages

“The climate projections for Cape Town indicate essentially a relatively consistent reduction in the amount of rainfall in Cape Town,” Wolski told me. “In the best case, it would be rainfall that is similar to what we have. But most of the projections indicate reduction.”

Environmental think tanks and journalistic outlets have published lists of cities that look likely to run out of water in the near future: São Paulo, Brazil, which faced its own Day Zero situation just a few years ago; Bangalore, India; Beijing, China; Cairo, Egypt; Mexico City; and—surprisingly, given its climate—Moscow, Russia. While each city has a very different set of reasons for its water woes, ranging from pollution to poor infrastructure to poor planning to desertification and drought, they all share a common challenge: Climate change will likely make the task of providing water harder, the populations thirstier, and the people angrier, even as many of the cities grow.

shortages in São Paulo sparked street fights, citizen mobilization, and major political dissent in the city

inequality manifests both in social stratification and in the development of water-delivery systems to those different strata

Mirroring class conflicts in the 20th century, the idea that access to water is a human right has become a driver of solidarity, hardening ad-hoc activist groups into major political movements. Extrapolating to the rest of a warming world, where racial and class barriers have been built into zoning and infrastructure, the uneasy detentes of segregated spaces and places could become new zones of conflict. All you have to do is remove water.

so far this winter the rainfall has helped raise the dam levels to just below 60 percent of capacity, which should put off the next crisis point for some time. Cab drivers, students, waiters, and tour guides spoke incessantly of the Day Zero crisis—and with plenty of real venom—but they mostly spoke of it as a thing that had happened, an event that was now being relegated to the past

if we want a decent shot at climate stability, high-income nations will have to shift to post-growth economic principles

Post-growth thinking is starting to trickle into policy, too. Jacinda Ardern, the prime minister of New Zealand, captured headlines in 2019

Economists have long assumed that we need growth to improve people’s lives. But it turns out there’s no empirical evidence for this argument. Beyond a certain point, which high-income countries have long since surpassed, the relationship between GDP and human wellbeing completely breaks down.

dozens of countries beat the US in life expectancy with only a fraction of the income

universal public services are significantly more cost-efficient than their private counterparts. Spain spends $2,300 per person on healthcare,

The reason that GDP growth tends not to deliver the outcomes that we might expect is because the vast majority of it goes straight into the pockets of the rich. They are the real beneficiaries of growth. In the United States, the incomes of the richest 1% have more than tripled since the 1970s,

growthism

We can accomplish our social goals right now, without any growth at all, simply by sharing what we already have more fairly, and by investing in generous public goods. It turns out justice is the antidote to the growth imperative – and key to solving the climate crisis.

The less energy we use, the easier it is to accomplish a rapid transition to renewables. This is perhaps the single most important lesson that climate science has taught us in the past few years.

Think of all the energy that’s needed to extract and produce and transport all of the material commodities that the economy churns out each year. Think of the mining, the logging, the factories, the packaging, the container ships, the warehouses, the retail outlets and the waste disposal facilities. The material economy is a giant energy-sucking machine. By reducing the material "throughput" of our economy – the amount of stuff we produce and consume – we can reduce our energy demand. 

The key thing to grasp is that a huge chunk of material production in our economy is intended, literally, to be wasted. Firms desperate to overcome the limits of saturated markets resort to all sorts of devious tactics to artificially increase turnover. Take planned obsolescence, for example. The lifespan of household appliances like refrigerators and washing machines has plummeted over the past few decades.

Research by US sociologists has revealed that advertising expenditures have a direct impact

We like to think of capitalism as a system that’s rational and efficient when it comes to meeting human needs. But in some respects, it’s exactly the opposite. In pursuit of constant growth, firms resort to intentional inefficiencies. This might be rational from the perspective of profits, but from the perspective of human need, and from the perspective of ecology, it is a kind of madness. It is madness in terms of human labour, too. Think about the millions of hours that are poured into producing stuff that’s designed to break down, or that people don’t actually need in the first place.

We can legislate for long-term warranties, rights to repair, and mandatory take-back schemes. We can regulate marketing expenditures, and we can liberate public spaces from ads telling us to buy even more – both offline and online. The gains from this could be enormous. Think about it: if clothes and refrigerators and smartphones last twice as long, we will consume half as many. That’s half the extraction, half the shipping, half the warehouses, half the transport, half the waste – and half the energy it takes to power it all. 

There are also a number of other steps we can take. We can shift from private cars to public transport. We can ban food waste by supermarkets and farms. We can cut single-use packaging. And we can choose to scale down ecologically destructive and socially less necessary industries, such as SUVs,

But, you might ask, what about jobs? As we scale down unnecessary industrial activity, won’t that cause unemployment to rise? Under normal circumstances, yes. But ecological economists have a surprisingly simple solution to this: shorten the working week. Add a job guarantee to the mix (a policy that happens to be resoundingly popular)

What’s exciting about this move is that it has a substantial positive impact on wellbeing. Studies in the US have found that people who work shorter hours are happier than those who work longer hours, even when controlling for income. And it has a big impact on energy demand, too. If the United States were to reduce its working hours to the levels of western Europe, its energy use would decline by a staggering 20%. 

Public interest in post-growth economics has soared over the past year as the climate crisis worsens. With fires blazing through Australia and the Amazon, floods swamping northern England, droughts driving migration, and record heatwaves searing across Antarctica, people realise that the status quo has us hurtling toward disaster, and they’re increasingly open to new ideas. In the 2020s, we can expect that the climate movement will rally around the Green New Deal and a vision for a completely new economy. 

We realize that what we do now, well or badly, will be remembered later on. This sense of enacting history matters. For some of us, it partly compensates for the disruption of our lives.

Actually, we’ve already been living in a historic moment. For the past few decades, we’ve been called upon to act, and have been acting in a way that will be scrutinized by our descendants. Now we feel it. The shift has to do with the concentration and intensity of what’s happening. September 11th was a single day, and everyone felt the shock of it, but our daily habits didn’t shift, except at airports; the President even urged us to keep shopping. This crisis is different. It’s a biological threat, and it’s global. Everyone has to change together to deal with it. That’s really history.

There are 7.8 billion people alive on this planet—a stupendous social and technological achievement that’s unnatural and unstable. It’s made possible by science, which has already been saving us. Now, though, when disaster strikes, we grasp the complexity of our civilization—we feel the reality, which is that the whole system is a technical improvisation that science keeps from crashing down

Today, in theory, everyone knows everything. We know that our accidental alteration of the atmosphere is leading us into a mass-extinction event, and that we need to move fast to dodge it. But we don’t act on what we know. We don’t want to change our habits. This knowing-but-not-acting is part of the old structure of feeling.

Do we believe in science? Go outside and you’ll see the proof that we do everywhere you look. We’re learning to trust our science as a society. That’s another part of the new structure of feeling.

it is the first of many calamities that will likely unfold throughout this century. Now, when they come, we’ll be familiar with how they feel.

water shortages. And food shortages, electricity outages, devastating storms, droughts, floods. These are easy calls. They’re baked into the situation we’ve already created, in part by ignoring warnings that scientists have been issuing since the nineteen-sixties

Imagine what a food scare would do. Imagine a heat wave hot enough to kill anyone not in an air-conditioned space, then imagine power failures happening during such a heat wave.

science fiction is the realism of our time

Science-fiction writers don’t know anything more about the future than anyone else. Human history is too unpredictable; from this moment, we could descend into a mass-extinction event or rise into an age of general prosperity. Still, if you read science fiction, you may be a little less surprised by whatever does happen. Often, science fiction traces the ramifications of a single postulated change; readers co-create, judging the writers’ plausibility and ingenuity, interrogating their theories of history. Doing this repeatedly is a kind of training. It can help you feel more oriented in the history we’re making now. This radical spread of possibilities, good to bad, which creates such a profound disorientation; this tentative awareness of the emerging next stage—these are also new feelings in our time.

remember that you must die. Older people are sometimes better at keeping this in mind than younger people. Still, we’re all prone to forgetting death. It never seems quite real until the end, and even then it’s hard to believe. The reality of death is another thing we know about but don’t feel.

This mixture of dread and apprehension and normality is the sensation of plague on the loose. It could be part of our new structure of feeling, too.

there are charismatic mega-ideas. “Flatten the curve” could be one of them. Immediately, we get it. There’s an infectious, deadly plague that spreads easily, and, although we can’t avoid it entirely, we can try to avoid a big spike in infections, so that hospitals won’t be overwhelmed and fewer people will die. It makes sense, and it’s something all of us can help to do. When we do it—if we do it—it will be a civilizational achievement: a new thing that our scientific, educated, high-tech species is capable of doing. Knowing that we can act in concert when necessary is another thing that will change us.

People who study climate change talk about “the tragedy of the horizon.” The tragedy is that we don’t care enough about those future people, our descendants, who will have to fix, or just survive on, the planet we’re now wrecking. We like to think that they’ll be richer and smarter than we are and so able to handle their own problems in their own time. But we’re creating problems that they’ll be unable to solve. You can’t fix extinctions, or ocean acidification, or melted permafrost, no matter how rich or smart you are. The fact that these problems will occur in the future lets us take a magical view of them. We go on exacerbating them, thinking—not that we think this, but the notion seems to underlie our thinking—that we will be dead before it gets too serious. The tragedy of the horizon is often something we encounter, without knowing it, when we buy and sell. The market is wrong; the prices are too low. Our way of life has environmental costs that aren’t included in what we pay, and those costs will be borne by our descendents. We are operating a multigenerational Ponzi scheme.

We’ve decided to sacrifice over these months so that, in the future, people won’t suffer as much as they would otherwise. In this case, the time horizon is so short that we are the future people.

Amid the tragedy and death, this is one source of pleasure. Even though our economic system ignores reality, we can act when we have to. At the very least, we are all freaking out together. To my mind, this new sense of solidarity is one of the few reassuring things to have happened in this century. If we can find it in this crisis, to save ourselves, then maybe we can find it in the big crisis, to save our children and theirs.

Thatcher said that “there is no such thing as society,” and Ronald Reagan said that “government is not the solution to our problem; government is the problem.” These stupid slogans marked the turn away from the postwar period of reconstruction and underpin much of the bullshit of the past forty years

We are individuals first, yes, just as bees are, but we exist in a larger social body. Society is not only real; it’s fundamental. We can’t live without it. And now we’re beginning to understand that this “we” includes many other creatures and societies in our biosphere and even in ourselves. Even as an individual, you are a biome, an ecosystem, much like a forest or a swamp or a coral reef. Your skin holds inside it all kinds of unlikely coöperations, and to survive you depend on any number of interspecies operations going on within you all at once. We are societies made of societies; there are nothing but societies. This is shocking news—it demands a whole new world view.

It’s as if the reality of citizenship has smacked us in the face.

The neoliberal structure of feeling totters. What might a post-capitalist response to this crisis include? Maybe rent and debt relief; unemployment aid for all those laid off; government hiring for contact tracing and the manufacture of necessary health equipment; the world’s militaries used to support health care; the rapid construction of hospitals.

If the project of civilization—including science, economics, politics, and all the rest of it—were to bring all eight billion of us into a long-term balance with Earth’s biosphere, we could do it. By contrast, when the project of civilization is to create profit—which, by definition, goes to only a few—much of what we do is actively harmful to the long-term prospects of our species.

Economics is a system for optimizing resources, and, if it were trying to calculate ways to optimize a sustainable civilization in balance with the biosphere, it could be a helpful tool. When it’s used to optimize profit, however, it encourages us to live within a system of destructive falsehoods. We need a new political economy by which to make our calculations. Now, acutely, we feel that need.

We’ll remember this even if we pretend not to. History is happening now, and it will have happened. So what will we do with that?

How we feel is shaped by what we value, and vice versa. Food, water, shelter, clothing, education, health care: maybe now we value these things more, along with the people whose work creates them. To survive the next century, we need to start valuing the planet more, too, since it’s our only home.

Research in 2018 also showed a weakening of the AMOC, but the paper in Nature Geoscience says this was unprecedented over the last millennium, a clear indication that human actions are to blame. Scientists have previously said a weakening of the Gulf Stream could cause freezing winters in western Europe and unprecedented changes across the Atlantic.

The Gulf Stream is separate from the jet stream that has helped to bring extreme weather to the northern hemisphere in recent weeks, though like the jet stream it is also affected by the rising temperatures in the Arctic. Normally, the very cold temperatures over the Arctic create a polar vortex that keeps a steady jet stream of air currents keeping that cold air in place. But higher temperatures over the Arctic have resulted in a weak and wandering jet stream, which has helped cold weather to spread much further south in some cases, while bringing warmer weather further north in others, contributing to the extremes in weather seen in the UK, Europe and the US in recent weeks.

As well as causing more extreme weather across Europe and the east coast of the US, the weakening of the AMOC could have severe consequences for Atlantic marine ecosystems, disrupting fish populations and other marine life.

Several recent developments make Antarctica an urgent geostrategic concern. First, rapidly worsening climate change—scientists in 2015 noted a record-high temperature of 63.5°F—has led to a reduction in the continent’s ice mass. As a result, it is becoming increasingly feasible to reach resources beneath the cold surface

pressure from an increasingly heterogeneous group of signatories to further open up governance—resulting in part from regulatory gaps in the current ATS infrastructure—will likely threaten the ATS’s integrity

unresolved sovereignty questions may enable increasingly aggressive behavior by major powers such as China

China’s demonstrated Arctic strategy can serve as a road map for policymakers to extrapolate its potential Antarctic agenda. The latter may be a generation behind the former

Exploitation of Antarctic resources will probably become inevitable as domestic needs grow, turmoil in the Middle East continues and geopolitical competition drives incentives for diversification.

Beijing views environmental regulation in the polar regions as a “gambit to control territory.”

China will almost certainly seek to increase influence in the ATS on a bilateral basis with key players

In the Arctic, Beijing has proclaimed itself a “near-Arctic state” and in 2013 gained observer status on the Arctic Council, allowing it to help formulate policy. China has also used actors at home (scientific institutions, tourist agencies, media, cultural initiatives and bloggers) to bolster its polar connection. Brady notes that Beijing has already begun crafting a narrative around Antarctica based on five key frames: past exclusion from science and governance, a treasure chest of mineral resources, a global commons, a barometer of climate change, and “a zone for China’s emergence as a global power.”

While seven nations claim territory in Antarctica, none has been legally recognized

China will likely use informal mechanisms to gain a foothold on the continent. For example, the country has increased place naming, permanent bases and research funding. Beijing will likely also continue to increase domestic presence in and awareness of the region, laying the groundwork for possible territorial claims.

The United States stands woefully unprepared to compete in Antarctica with just three (aging) stations, a single failing icebreaker, a lack of capital investment and dated communication technology

The ATS does not have a clear mechanism by which parties can punish violators. Instead, the United States and its allies should publicly broadcast infractions and pursue sanctions through other international forums like the United Nations

In a review of Covid-19 social response programmes, cash transfer programmes were found to be: Short-term in their duration – lasting just over three months on average Small in value – an average of $6 (£4.30) per capita in low-income countries Limited in scope – with many in need remaining uncovered

The world’s food systems endured numerous shocks in 2020, from economic impacts on producers and consumers to desert locust swarms and erratic weather. All indicators suggest that this may be the new normal. The ecosystems we rely on for water, air and food supply are under threat. Zoonotic diseases are on the rise owing to growing demographic and economic pressures on land, animals and wildlife.

A warming planet is contributing to costlier and more frequent extreme weather events. And as people pack into low-quality housing in urban slums or vulnerable coastal areas, more are living in the path of disease and climate disaster.

We need sustained financing for approaches that prioritise human, animal and planetary health; restore landscapes and diversify crops to improve nutrition; reduce food loss and waste; strengthen agricultural value chains to create jobs and recover lost incomes; and deploy effective climate-smart agriculture techniques on a much greater scale.

Focusing on food security would address a basic injustice: almost one in 10 people live in chronic hunger in an age of food waste and plenty. This focus would also strengthen our collective ability to weather the next storm, flood, drought, or pandemic – with safe and nutritious food for all.