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Earth is overheating. Millions are already feeling the pain.

Saumya Khandelwal

Myrto Papadopoulos

Earth is overheating. Millions are already feeling the pain.

For the past 60 years, every decade has been hotter than the last, and 2020 is poised to be among the hottest years ever.

The agony of extreme heat, though, is profoundly unequal.

This Is Inequity at the Boiling Point

It was a record 125 degrees Fahrenheit in Baghdad in July, and 100 degrees above the Arctic Circle this June. Australia shattered its summer heat records as wildfires, fueled by prolonged drought, turned the sky fever red.

For 150 years of industrialization, the combustion of coal, oil and gas has steadily released heat-trapping gases into the atmosphere, driving up average global temperatures and setting heat records. Nearly everywhere around the world, heat waves are more frequent and longer lastingthan they were 70 years ago.

But a hotter planet does not hurt equally. If you’re poor and marginalized, you’re likely to be much more vulnerable to extreme heat. You might be unable to afford an air-conditioner, and you might not even have electricity when you need it. You may have no choice but to work outdoors under a sun so blistering that first your knees feel weak and then delirium sets in. Or the heat might bring a drought so punishing that, no matter how hard you work under the sun, your corn withers and your children turn to you in hunger.

It’s not like you can just pack up and leave. So you plant your corn higher up the mountain. You bathe several times a day if you can afford the water. You powder your baby to prevent heat rash. You sleep outdoors when the power goes out, slapping mosquitoes. You sit in front of a fan by yourself, cursed by the twin dangers of isolation and heat.

Extreme heat is not a future risk. It’s now. It endangers human health, food production and the fate of entire economies. And it’s worst for those at the bottom of the economic ladder in their societies. See what it’s like to live with one of the most dangerous and stealthiest hazards of the modern era.

Photographs by Myrto Papadopoulos in Athens, Ilana Panich-Linsman in Houston, KC Nwakalor in the Niger Delta, Nigeria, Daniele Volpe in Jocotán, Guatemala, Saumya Khandelwal in Lucknow, India, and Juan Arredondo in New York City.

k Times | Source: Climate Impact Lab

Heat waves are becoming more frequent in Athens. It’s toughest in the city’s treeless, concrete neighborhoods.

Photographs by
Myrto Papadopoulos

Hasib Hotak, 21, has been sleeping on a rooftop in Athens. To be precise, he has been sleeping on a carpet, under the stars, on a rooftop in Athens. There’s a small room on the roof, with a sheet of corrugated tin on top and a curtain for a door. The heat of the day turns it into an oven. It is suffocatingly hot to sleep inside. It belongs to a friend who, like Mr. Hotak, is a homeless Afghan refugee, and who sleeps on a bed on the roof, draped with a mosquito net.

In late July, peak summer in Athens, the sun burned the rooftop by midday. Mr. Hotak walked through the city to one of Athens’s largest public parks, Pedion Areos. Some days, he volunteered with an aid group that gives out sandwiches to homeless refugees like him. Other days, he sat under a wide-armed tree and scrolled through his phone. There aren’t a lot of places where a young Afghan man feels welcome in Athens, he said. Once, he and a friend went to a cafe, hoping to chat over a cup of coffee, only to be thrown out. The owner said Greeks wouldn’t patronize his establishment if they saw refugees at a table.

Hasib Hotak set up a makeshift home on a roof in the Kolonos area of Athens.

He spent much of his time in Athens seeking shade with other Afghan refugees.

With no running water on the roof, showers on the beach offered a chance to wash.

Mr. Hotak was 16 when he left his home in the Sholgara district of Afghanistan, the only one among his 11 brothers and sisters to do so. After one failed attempt to enter Europe and two years in a refugee camp, he was granted asylum in Greece. That’s when he arrived on the rooftop refuge with a friend, in the crowded warrens of Kolonos, a working class Athens neighborhood where many migrants have settled.

The city has grown hotter by the decade. According to temperature records kept by the National Observatory of Athens, there were fewer than 20 hot days (with temperatures over 99 degrees Fahrenheit, or 37 Celsius) per year in the first decade of the 1900s. By the mid-1980s, there were still fewer than 50 hot days. Between 2006 and 2017, though, the number had risen to 120 hot days.

Mr. Hotak cooled down at an Athens beach. Heat waves have increased fivefold in the city over the last century.

“I don’t feel welcome in the country. Whenever I go out people look at me like I’m a refugee. I don’t want that. I’m human.”

Houston is getting hotter, fast. Staying cool is an unaffordable luxury for the Rodriguez family.

Photographs by
Ilana Panich-Linsman

The air conditioner in her room gives Norma Rodriguez some breathing space at the end of a long day.

At 18, just out of high school, Ms. Rodriguez is working two jobs to help her family. One at a shoe store, the other at a restaurant. Her father, Candelario Rodriguez, a roofer by profession, is unemployed. The family’s truck has broken down, so she has to hustle for rides. Her mother, Dominga, is a part-time housekeeper in a nearby hotel where business is slow. Her brother, Noe, 9, is on summer vacation from school. Money is tight. Bills are juggled. Windows are covered during the day to keep out the sun. Air-conditioners are turned on only at night. Showers are limited to every other day.

The summer air is steamy in Houston. Even when you move slowly, you drip with sweat. When you’re working outdoors, in construction, as Norma’s father used to before the pandemic, sweat pools in your work boots. Three of his co-workers have collapsed from heat exhaustion over the years.

Norma Rodriguez’s father, Candelario, a roofer, is unemployed but keeps busy, still outside in the heat, helping neighbors.

Her mother, Dominga, works three days a week as a housekeeper in a hotel near the family home.

Nightfall offers a small respite from the heat.

The perils of the past haunt them. Their East Houston neighborhood, home to mainly Latinos like the Rodriguez family, was hit particularly hard by Hurricane Harvey. The heat packed into the atmosphere brought exceptionally heavy rains, flooding the Rodriguez’s two-bedroom trailer and a car. They waded through floodwaters to be rescued by an 18-wheeler truck, Norma carrying a pet chicken and a cat in her backpack, and Dominga, who can’t swim, wearing a lifejacket. “This year,” Dominga said, “we just hope there isn’t another hurricane.” Hurricane Hanna came close in July, but spared the city.

Houston is one of the country’s fastest warming cities. Average temperatures have risen by more than 3.5 degrees Fahrenheit since 1970. In mid-July, the city’s heat index peaked above 110 degrees. It offered a glimpse of the future. If emissions of greenhouse gases continue to rise at their current pace, Houston could see 109 days each year, on average, where the heat index tops 100 degrees.

Norma worked on her college orientation one evening in July when the air-conditioner was turned on. She plans to begin as a freshman in the fall.

Her younger brother, Noe, had his own idea to keep the family cool: a squirt gun mounted on his bike.

Ms. Rodriguez, who plans to attend community college this fall, has more immediate concerns. A coworker at the restaurant where she works complained of symptoms of the coronavirus in late July. He said he would get tested, and she hasn’t heard from him since. She needs the job, but she worries about getting sick — and even more about infecting her family.

“If I bring it home to my family, it’s something else for me to worry about,” Ms. Rodriguez said over the weekend. “If we’re all going to be sick, who’s going to take care of us?”

In Nigeria, rising temperatures are supercharged by nonstop gas flares. You can feel them singe the skin.

Photographs by
KC Nwakalor

Darkness never falls on Faith Osi’s village.

Five tall methane gas flares loom over Obrikom, in the heart of the oil-rich delta in southeastern Nigeria. They are part of the huge petrochemicals operations of the Italian multinational Agip, and they burn 24 hours a day, like blowtorches through the steamy tropical air.

It’s normally hot here. Temperatures reach 91 degrees Fahrenheit on average in the hot season and drop only slightly in the rainy months. The flares make it even hotter, even at night, and particularly if you’re too poor to live anywhere other than within a few hundred meters of the flares, where land is cheaper. One study found that temperatures were 22 degrees Fahrenheit higher around homes closest to the gas flares.

For decades, oil extraction has poisoned the air, land and water of the Niger Delta region, while its people have reaped little by way of jobs or development in the area.

Faith Osi says she worries constantly about heat rash on her youngest child, a girl named Miracle.

The family home, within clear view of gas flares that burn constantly.

Ms. Osi’s older children, Ada, 16, and Promise, 14, helped with dishwashing.

Heat is arguably the least understood of these threats. It’s everyday. It’s invisible. And, for Ms. Osi, who is in her mid-30s, it’s exhausting.

It saps her. She can barely work for three hours a day on her cassava farm, and even then, she feels like she can hardly breathe. Headaches torment her often. Relief comes only from a bucket of cold water over her head.

It was worse when she was pregnant. She would pat her belly with a wet cloth. At night she would lay on the bare floor. The bed was too hot. She would barely sleep.

The other day, with the air clammy from the rains, she bathed the youngest of her eight children, Miracle, who is 1 year old. In minutes, Miracle was glistening with sweat and screaming from discomfort. Ms. Osi worried about heat rash. She emptied nearly a can of talcum powder on the baby.

Her husband, Azubuike Osi, 42, turned to cigarettes for relief. The kids flapped their clothes to air their bodies. They all try to sleep under the fan, at least until the electricity goes out, which it sometimes does on the hottest nights, and then some of the children sleep outside on the balcony, battling mosquitoes. Malaria is rampant.

The dangerous extremes of climate change are already affecting Nigeria’s poorest people. Hotter days and hotter nights are more frequent, while the number of cool days and nights has decreased, a trend that studies have observed throughout West Africa.

A bath gave Miracle a moment of cool comfort.

When the power goes out, some of Ms. Osi’s children sleep on the balcony.

The dry season is getting longer and drier in Guatemala. Indigenous farmers could see crop yields fall sharply.

Photographs by
Daniele Volpe

Eduardo Roque, 38, is among Guatemala’s original people, part of the Ch’orti Mayan community living in one of the poorest and driest corners of the Americas, known as the Dry Corridor.

Rising temperatures are ravaging the land.

The early summer rains that nourish his small fields have diminished measurably in recent years, according to scientists, and five long and harsh late summer droughts have cursed this region in the last decade. The country as a whole is warmer by about 1.8 degrees Fahrenheit since 1960, with far more frequent hot days and nights. The rains don’t come when he needs them for his crop, Mr. Roque says. “When we need the sun, suddenly, we are receiving water.”

Eduardo Roque and his neighbors planted corn this season even though drought hit them hard the previous three years.

He earns about $5 a day working on a coffee field.

Everyone in the family pitches in to make ends meet. His sons hauled firewood home.

Mr. Roque’s harvests of corn and beans, staple foods, failed three years in a row. Desperate, he hustled for work in the capital, Guatemala City, bought a patch of land near a small creek, planted rows of corn there. On his old corn fields, he has planted trees, and in their shade, he is trying coffee.

Malnutrition runs higher in the largely indigenous region, called Chiquimula, where Mr. Roque lives with his wife and nine children. Water has to be rationed.

The amount of greenhouse gases emitted by the average Guatemalan each year is tiny — 1.1 metric tons, compared with 16.5 tons per person in the United States — and Mr. Roque’s carbon footprint is, very likely, smaller still. Electricity came to his village only recently. The family doesn’t have a car, motorcycle or tractor. He built his house by hand, from mud, with only a few pillars of concrete.

But Guatemala is poised to feel the effect of a hotter planet acutely. Yields of maize and beans could fall by around 14 percent by 2050, according to a recent study; coffee grown in lower elevations is unlikely to be “economically viable.”

Climate models project longer dry periods in the future.

“The models show that this should happen in the next decades,” said Edwin Castellanos, director of the center for environmental studies at the University of the Valley of Guatemala and a co-author of the study, “but it’s already happening.”

Eduardo’s grandparents, Magdaleno Roque, 78, and Eulofia Aldana, 64, live near his home.

A small but solid defender: Eduardo Roque, left, filmed his son Eddy, 2, on a parched soccer field.

India is already hot. An increase of just a few degrees can be dangerous for people who work outdoors.

Photographs by
Saumya Khandelwal

Rabita bends down, fills a bowl with sand, lifts it atop her head, climbs up and down the stairs. Up and down, countless times each day, even as the heat rises through the morning and the air gets sticky. Her legs ache from the climbing. Her head spins sometimes. Breaks can’t be longer than five minutes, or she’ll get a hectoring from the foreman on the construction site. Occasionally, she comes down with a fever and has to take a day off. When she’s on her period, it’s the worst.

The other day, she tried to shake the sand off herself, to no avail. The sweat had glued the sand to her skin.

Rabita and her husband, Ashok Kumar, live and work at a construction site in Lucknow.

Breaks are short and the heat often makes her feel ill.

Rabita’s youngest son, Sumari, also spends his days at the site.

Rabita, who does not use a surname, is helping to build a government housing project. She and her husband, Ashok Kumar, are Dalits, at the bottom of the Hindu caste ladder. They own no land in their village in Bihar, which has long been one of the most terrifying places to be a Dalit. They work on other people’s lands, when there is work, and Rabita gets paid less than half what a man makes.

And then there’s the extreme vagaries of the rain. It rains when it’s not supposed to, she says, and washes away the crops. People like her have to leave home to put food in their stomachs.

For years, Mr. Kumar had been working hauling sacks of vegetables at a city market, sending home money. The pandemic changed all that. Mr. Kumar came back home, borrowed money to make ends meet. Now he and Rabita work to pay off those debts. Their oldest son, Guddu, 15, works alongside them. Their 3-year-old, Sumari, hangs around.

Episodes of extreme humid heat at levels the human body cannot tolerate for many hours at a time have more than doubled in frequency since 1979, according to a recent scientific paper. South Asia and the Gulf Coast of the United States are among the places hardest hit. Sweat can’t evaporate as fast. The body can’t cool down.

The International Labor Organization calls heat an occupational health hazard, with construction workers like Rabita especially vulnerable. Most people can work only at half their capacity when temperatures exceed 91 degrees Fahrenheit, and exposure to many hours of heat can be fatal, the group warns.

Economic losses from heat stress are projected to increase to $2.4 trillion in 2030. But this cost, too, is expected to be unequally spread.

South Asia and West Africa are expected to be the worst affected, not just because of high heat and humidity, but because of how vulnerable laborers like Rabita are to begin with.

Watching sports on a phone on a day when the humidity made it feel like 107 Fahrenheit.

Rabita slept on a day off. The high for the day was 95 Fahrenheit.

Heat is the deadliest form of extreme weather for older Americans. In New York City, isolation is its sly accomplice.

Photographs by
Juan Arrendondo

On a sweltering Sunday in July, with temperatures soaring to 93 Fahrenheit, Rafael Velasquez, 66, sat in the courtyard of his apartment complex with a cold bottle of water pressed to his face. He liked sitting outside on a bench, feeding the pigeons. He kept a hand towel to wipe the sweat.

There wasn’t much to do inside. He’s lived alone since his wife died a couple of years ago. He can’t afford to buy an air-conditioner, and he said he had no idea how to get a free one from a city program designed to help seniors stay cool during the pandemic, when cooling centers are mostly closed.

He had a window fan in the living room, and one standing fan that he dragged from the bedroom to the living room every morning. Mostly, he watched stuff on his phone. He can’t afford cable.

In the United States, heat kills older people more than any other extreme weather event, including hurricanes, and the problem is part of an ignominious national pattern: Black people and Latinos like Mr. Velasquez are far more likely to live in the hottest parts of American cities.

His neighborhood is exceptionally vulnerable to heat extremes. According to the most recent available data, from 2018, Brownsville was among New York City’s hottest, with average daytime highs around two degrees Fahrenheit higher than the city as a whole.

Those neighborhoods are often the same areas that have faced some of the highest rates of coronavirus deaths. This spring, around 10 residents of Mr. Velasquez’s senior housing complex died from the virus.

“Inequality exacerbates climate and environmental risks,” said Kizzy Charles-Guzman, a deputy director for resilience efforts in the New York City Mayor’s office.

Isolation makes it worse.

With no one to check in on you, even a mild case of dehydration can take a quick turn for the worse if you’re frail or suffer from other ailments, like heart disease. According to the Centers for Disease Control and Prevention, 600 Americans die each year from extreme heat. A recent academic study, though, estimated that as many as 12,000 people may be dying of heat-related ailments; 80 percent of them, the researchers said, are over the age of 60.

Mr. Velasquez, a retired hospital cook, spent most of his life in the Bronx.

When he applied for senior housing, he was offered an apartment in the Ocean Hill-Brownsville area of Brooklyn.

Mr. Velasquez’s five daughters live in the Bronx. He said he hadn’t seen them in months because of the pandemic.

The other day, when the city issued a heat alert and the senior center on the ground floor opened for the first time in months as a cooling center, he went to pick up two plastic bags of groceries: black beans, breakfast cereal, peanut butter and other provisions that would last.

He won a round of bingo, and a roll of paper towels as a prize.

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