Heat and Heat Waves

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Heat Is Costing the U.S. Economy Billions in Lost Productivity

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From meatpackers to home health aides, workers are struggling in sweltering temperatures and productivity is taking a hit.As much of the United States swelters under record heat, Amazon drivers and warehouse workers have gone on strike in part to protest working conditions that can exceed 100 degrees Fahrenheit.On triple-digit days in Orlando, utility crews are postponing checks for gas leaks, since digging outdoors dressed in heavy safety gear could endanger their lives. Even in Michigan, on the nation’s northern border, construction crews are working shortened days because of heat.Now that climate change has raised the Earth’s temperatures to the highest levels in recorded history, with projections showing that they will only climb further, new research shows the impact of heat on workers is spreading across the economy and lowering productivity.Extreme heat is regularly affecting workers beyond expected industries like agriculture and construction. Sizzling temperatures are causing problems for those who work in factories, warehouses and restaurants and also for employees of airlines and telecommunications firms, delivery services and energy companies. Even home health aides are running into trouble.“We’ve known for a very long time that human beings are very sensitive to temperature, and that their performance declines dramatically when exposed to heat, but what we haven’t known until very recently is whether and how those lab responses meaningfully extrapolate to the real-world economy,” said R. Jisung Park, an environmental and labor economist at the University of Pennsylvania. “And what we are learning is that hotter temperatures appear to muck up the gears of the economy in many more ways than we would have expected.”A study published in June on the effects of temperature on productivity concludes that while extreme heat harms agriculture, its impact is greater on industrial and other sectors of the economy, in part because they are more labor-intensive. It finds that heat increases absenteeism and reduces work hours, and concludes that as the planet continues to warm, those losses will increase.The cost is high. In 2021, more than 2.5 billion hours of labor in the U.S. agriculture, construction, manufacturing, and service sectors were lost to heat exposure, according to data compiled by The Lancet. Another report found that in 2020, the loss of labor as a result of heat exposure cost the economy about $100 billion, a figure projected to grow to $500 billion annually by 2050.A U.P.S. delivery in Manhattan on Monday.Spencer Platt/Getty ImagesOther research found that as the mercury reaches 90 degrees Fahrenheit, productivity slumps by about 25 percent and when it goes past 100 degrees, productivity drops off by 70 percent.And the effects are unequally distributed: in poor counties, workers lose up to 5 percent of their pay with each hot day, researchers have found. In wealthy counties, the loss is less than 1 percent.Of the many economic costs of climate change —- dying crops, spiking insurance rates, flooded properties — the loss of productivity caused by heat is emerging as one of the biggest, experts say.“We know that the impacts of climate change are costing the economy,” said Kathy Baughman McLeod, director of the Adrienne Arsht-Rockefeller Foundation Resilience Center, and a former global executive for environmental and social risk at Bank of America. “The losses associated with people being hot at work, and the slowdowns and mistakes people make as a result are a huge part.”Still, there are no national regulations to protect workers from extreme heat. In 2021, the Biden administration announced that the Occupational Safety and Health Administration would propose the first rule designed to protect workers from heat exposure. But two years later, the agency still has not released a draft of the proposed regulation.Seven states have some form of labor protections dealing with heat, but there has been a push to roll them back in some places. In June, Governor Greg Abbott of Texas signed a law that eliminated rules set by municipalities that mandated water breaks for construction workers, even though Texas leads all states in terms of lost productivity linked to heat, according to an analysis of federal data conducted by Vivid Economics.Business groups are opposed to a national standard, saying it would be too expensive because it would likely require rest, water and shade breaks and possibly the installation of air-conditioning.Martin Rosas, the vice president for the United Food and Commercial Workers Union International. “When it’s extremely hot, and their safety glasses fog up, their vision is impaired and they are exhausted, they can’t even see what they’re doing,” he said of the workers he represents.Brett Deering for The New York Times“OSHA should take care not to impose further regulatory burdens that make it more difficult for small businesses to grow their businesses and create jobs,” wrote David S. Addington, vice president of the National Federation of Independent Business, in response to OSHA’s plan to write a regulation.Marc Freedman, vice president of employment policy at the United States Chamber of Commerce, said, “I don’t think anyone is dismissing the hazard of overexposure to heat.” But, he said, “Is an OSHA standard the right way to do it? A lot of employers are already taking measures, and the question will be, what more do they have to do?”The National Beef slaughterhouse in Dodge City, Kan., where temperatures are expected to hover above 100 degrees Fahrenheit for the next week, is cooled by fans, not air-conditioning.Workers wear heavy protective aprons and helmets and use water vats and hoses heated to 180 degrees to sanitize their equipment. It’s always been hot work.But this year is different, said one worker, who asked not to be identified for fear of retribution. The heat inside the slaughterhouse is intense, drenching employees in sweat and making it hard to get through a shift, the worker said.National Beef did not respond to emails or telephone calls requesting comment.Martin Rosas, a union representative for meatpacking and food processing workers in Kansas, Missouri and Oklahoma, said sweltering conditions present a risk for food contamination. After workers skin a hide, they need to ensure that debris doesn’t get on the meat or carcass. “But when it’s extremely hot, and their safety glasses fog up, their vision is impaired and they are exhausted, they can’t even see what they’re doing,” Mr. Rosas said.Almost 200 employees out of roughly 2,500, have quit at the Dodge City National Beef plant since May, Mr. Rosas said. That’s about 10 percent higher than usual for that time period, he said.Maria Rodriguez, who has worked at the same McDonald’s in Los Angeles for 20 years, walked out on July 21.Jessica Pons for The New York TimesBut even some workers in air-conditioned settings are getting too hot. McDonald’s workers in Los Angeles walked off the job this summer as the air-conditioned kitchens were overwhelmed by the sweltering heat outside.“There is an air-conditioner in every part of the store, but the thermostat in the kitchen still showed it was over 100 degrees,” said Maria Rodriguez, who has worked at the same McDonald’s on Crenshaw Boulevard in Los Angeles for 20 years, but walked out on July 21, sacrificing a day of pay. “It’s been hot before, but never like this summer. I felt terrible — like I could pass out or faint at any moment.”Nicole Enearu, the owner of the store, said in a statement, “We understand that there’s an uncomfortable heat wave in LA, which is why we’re even more focused on ensuring the safety of our employees inside our restaurants. Our air-conditioning is functioning properly at this location.”Tony Hedgepeth, a home health aide in Richmond, Va., cares for a client whose home thermostat is typically set at about 82 degrees. Last week, the temperature inside was near 94 degrees.Any heat is a challenge in Mr. Hedgepeth’s job. “Bathing, cooking, lifting and moving him, cleaning him,” he said. “It’s all physical. It’s a lot of sweat.”Warehouse workers across the country are also feeling the heat. Sersie Cobb, a forklift driver who stocks boxes of pasta in a warehouse in Columbia, S.C., said the stifling heat can make it difficult to breathe. “Sometimes I get dizzy and start seeing dots,” Mr. Cobb said. “My vision starts to go black. I stop work immediately when that happens. Two times this summer I’ve had heart palpitations from the heat, and left work early to go to the E.R.”In Southern California, a group of 84 striking Amazon delivery workers say that one of their priorities is getting the company to make it safe to work in extreme heat. Last month, unionized UPS workers won a victory when the company agreed to install air-conditioning in delivery trucks.Amazon delivery drivers striking at the company’s Palmdale, Calif., warehouse and delivery center on Tuesday.Robyn Beck/Agence France-Presse — Getty Images“Heat has played a tremendous role — it was one of the major issues in the negotiations,” said Carthy Boston, a member of the International Brotherhood of Teamsters representing UPS drivers in Washington, D.C. “Those trucks are hotboxes.”Many factories were built decades ago for a different climate and are not air-conditioned. A study on the effects of extreme temperatures on the productivity of auto plants in the United States found that a week with six or more days of heat exceeding 90 degrees Fahrenheit cuts production by an average of 8 percent.In Tulsa, Okla., Navistar is installing a $19 million air-conditioning system at its IC Bus factory, which produces many of America’s school buses. Temperatures on the floor can reach 99 degrees F. Currently, the plant is only cooled by overhead fans that swirl high above the assembly line.Shane Anderson, the company’s interim manager, said air-conditioning is expected to cost about $183 per hour, or between $275,000 and $500,000 per year — but the company believes it will boost worker productivity.Other employers are also adapting.Brad Maurer, who leads a construction contracting business in Michigan, where heat has caused his employees to stop working hours before quitting time at some sites.Emily Elconin for The New York TimesBrad Maurer, vice president of Leidal and Hart, which builds stadiums, hospitals and factories in Michigan, Ohio, Indiana, Kentucky and Tennessee, said managers now bring in pallets of bottled water, which they didn’t used to do, at a cost to the company of a few thousand dollars a month.Rising heat around Detroit recently caused his employees to stop working three hours early on a Ford Motors facility for several days in a row — a pattern emerging throughout his company’s work sites.“It means costs go up, production goes down, we may not meet schedules, and guys and women don’t get paychecks,” Mr. Maurer said. Labor experts say that as employers adapt to the new reality of the changing climate, they will have to pay one way or the other.“The truth is that the changes required probably will be very costly, and they will get passed on to employers and consumers,” said David Michaels, who served as assistant secretary of labor at OSHA during the Obama administration and is now a professor at the George Washington School of Public Health.“But if we don’t want these workers to get killed we will have to pay that cost.”David Gelles More

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    China’s Record Drought is Drying Rivers and Feeding Its Coal Habit

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    Dry weather in southwestern China has crippled huge hydroelectric dams, forcing cities to impose rolling blackouts and driving up the country’s use of coal.HONG KONG — Car assembly plants and electronics factories in southwestern China have closed for lack of power. Owners of electric cars are waiting overnight at charging stations to recharge their vehicles. Rivers are so low there that ships can no longer carry supplies.A record-setting drought and an 11-week heat wave are causing broad disruption in a region that depends on dams for more than three-quarters of its electricity generation. The factory shutdowns and logistical delays are hindering China’s efforts to revive its economy as the country’s leader, Xi Jinping, prepares to claim a third term in power this autumn.The ruling Communist Party is already struggling to reverse a slowdown in China, the world’s second largest economy, caused by the country’s strict Covid lockdowns and a slumping real estate market. Young people are finding it hard to get jobs, while uncertainty over the economic outlook is compelling residents to save instead of spend, and to hold off on buying new homes.Now, the extreme heat is adding to frustration by snarling power supplies, threatening crops and setting off wildfires. Reduced electricity from hydroelectric dams has prompted China to burn more coal, a large contributor to air pollution and to greenhouse gas emissions that cause global warming.Many cities around the country have been forced to impose rolling blackouts or limit energy use. In Chengdu, the capital of Sichuan Province, several neighborhoods went without electricity for more than 10 hours a day.An electronic billboard shut down to save energy in Chengdu, China.Agence France-Presse — Getty ImagesVera Wang, a Chengdu resident, said that just to charge her electric car, her boyfriend waited in a long line overnight at a charging station that was only partly operating. It was 4 a.m. by the time he reached the front of the line.“The line was so long that it extended from the underground parking lot to the road outside,” she said.The heat wave has scorched China for more than two months, stretching from Sichuan in the southwest to the country’s eastern coast and sending the mercury above 104 degrees on many days. In Chongqing, a sprawling metropolis in the southwest with around 20 million people, the temperature soared to 113 degrees last week, the first time such a high reading had been recorded in a Chinese city outside the western desert region of Xinjiang.The searing heat set off wildfires in the mountains and forests on Chongqing’s outskirts, where thousands of firefighters and volunteers have worked to put out blazes. Residents said the air smelled of acrid smoke.The drought has dried up dozens of rivers and reservoirs in the region and cut Sichuan’s hydropower generation capacity by half, hurting industrial production. Volkswagen closed its sprawling, 6,000-employee factory in Chengdu for the past week and a half, and Toyota also temporarily suspended operations at its assembly plant.A villager attempting to put out a bush fire with a mop in his field during a drought in Xinyao, a village in Jiangxi Province, on Thursday.Thomas Peter/ReutersFoxconn, the giant Taiwanese electronics manufacturer, and CATL, the world’s largest maker of electric car batteries, have both curtailed production at factories in the vicinity.In Ezhou, a city in central China near Wuhan, the Yangtze River is now at its lowest level for this time of year since record-keeping began there in 1865. People’s Daily, the main newspaper of the Communist Party, reported on Aug. 19 that the Yangtze River had fallen to the same average level it normally reaches at the end of the winter dry season.Read More About Extreme WeatherRelics of the Past: As a drought starves Europe’s rivers and brings water levels down, shipwrecks, bombs and objects dating back thousands of years are turning up at the water’s surface.Preparing for Disaster: With the cost and frequency of weather-driven disasters on the rise,  taking steps to be ready financially is more crucial than ever. Here are some tips.Wildfires Out West: California and other Western states are particularly prone to increasingly catastrophic blazes. There are four key factors.Colorado River: With water levels near their lowest point ever, Arizona and Nevada faced new restrictions on the amount of water they can pump out of the river.But the disruptions from the hydropower shortfall are being felt far from the southwest, including in China’s eastern cities, which are buyers of hydropower. Some factories and commercial buildings in cities like Hangzhou and Shanghai are rationing electricity.Kevin Ni, an online marketing worker in Hangzhou, said that his office was stifling because few air-conditioners were allowed to run.“We have to eat ice pops and drink iced drinks,” he said. “I just put my hands on the ice pops, that cools me the most.”A satellite image showing the Yangtze River last August between Huanggang and Ezhou, in Hubei Province, China.Planet LabsThe same view this month, showing how much lower the water levels are than in the previous year.Planet LabsThe falling water levels in major rivers that serve the region’s main transport hubs have also led to delays elsewhere in the supply chain. The Yangtze River has receded so much that many oceangoing ships can no longer reach upstream ports. The upper Yangtze basin normally gets half its entire annual rainfall just in July and August, so the failure of this year’s rains may mean a long wait for more water.That is forcing China to divert large numbers of trucks to carry their cargo. A single ship can require 500 or more trucks to move its cargo.“We’re losing a few months of really efficient shipping,” said Even Rogers Pay, a food and agriculture analyst at Trivium, a Beijing consulting firm.The heat wave and drought are also starting to drive food prices higher in China, especially for fruit and vegetables. Farmers’ fields and orchards are wilting. Sichuan is a leading grower in China of apples, plums and other fruit, and fruit trees that die could take five years to replace. The price of bok choy, a popular cabbage, has nearly doubled in Wuhan this month.“That’s going to create more economic pain, which is the last thing the leadership wants to see,” Ms. Pay said.Ships sailing on the Yangtze River in Jiujiang, Jiangxi Province, on Tuesday. The Yangtze River has receded so low that many oceangoing ships can no longer reach upstream ports.Alex Plavevski/EPA, via ShutterstockThe Ministry of Agriculture and Rural Affairs and four other departments issued an emergency notice warning on Tuesday that the drought posed a “severe threat” to China’s autumn harvest. China’s cabinet on Wednesday approved $1.5 billion for disaster relief and assistance to rice farmers and another $1.5 billion for overall farm subsidies.The government has urged local officials to seek out more water sources and allocate more electricity to support farmers and promote the planting of leafy vegetables, which are highly perishable, in big cities. Fire trucks have been used to spray water on fields and deliver water to pig farms.The extreme weather sweeping across China also has potential implications for the world’s efforts to halt climate change. Beijing has sought to offset at least part of the lost hydropower from the drought by ramping up the use of coal-fired power plants. China’s domestic mining of coal has been at or near record levels, and customs data shows that its imports of coal from Russia reached a new high last month.But China’s reliance on the fossil fuel raises questions about its commitment to slowing the growth of its carbon emissions.“In the short term in China, the very, very painful realization is that only coal can serve as the base” for the electricity supply, said Ma Jun, the director of the Institute of Public and Environmental Affairs, a Beijing environmental group. Sichuan Province has lured energy-intensive industries like chemical manufacturing for many years with extremely low electricity prices, he said, and some of these industries have squandered power through inefficiency.A dry vegetable plot at a farm in Longquan, a village in Chongqing.Mark Schiefelbein/Associated PressMr. Ma struck an optimistic note, however, about the direction of China’s climate strategy, saying that in the medium term, “China is very committed to carbon targets and renewable energy.”The government has sought to mitigate the effects of global warming on its economy. The National Development and Reform Commission, China’s top economic planning ministry, set up a working group last winter to analyze the effects of climate change on water-related industries like hydroelectric dams.While such efforts may help China preserve the viability of renewable energy programs, they may not prompt China to limit the burning of coal this year as a quick fix, said Ed Cunningham, the director of the Asia Energy and Sustainability Initiative at the Harvard Kennedy School.“They’re much more comfortable with coal,” Mr. Cunningham said, “and the reality is that when there’s a shortage of hydro, they use coal.”Muyi Xiao More

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    When Heat Waves, Wildfires and Drought Grip Oregon and Washington

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    In early summer, a day laborer laying irrigation lines at a plant nursery just south of Portland, Ore., collapsed to the ground and died. His official cause of death was declared “heat related.”It was 104 degrees out — several days into a brutal heat wave whose like has become increasingly commonplace in many parts of the country. Mussels and clams baked in their shells along the Washington coast. Record temperatures and fierce winds fueled one of the largest wildfires in the United States.Drought, megafires and heat waves are descending on the Pacific Northwest as the effects of climate change alter the landscape. They have forced farm owners, fieldworkers and state regulators to navigate newly extreme conditions.But visits to several farms in the Rogue Valley in Oregon and in Southern Washington over the last month showed that the response can often feel improvised, and at times inadequate.Workers during the watermelon harvest last month in Sunnyside, Wash.A tractor hauling freshly harvested watermelons passes the only form of shade on this farm in Sunnyside.A farmworker in Phoenix, Ore., took a break on Monday.Policymakers in Oregon and Washington have recently established safety regulations to protect workers. Just after the punishing heat wave in June, Gov. Kate Brown of Oregon directed the state’s Occupational Health and Safety agency to adopt emergency rules for any workplace where conditions could lead to heat illness.The rules, which took effect Aug. 9, require employers to provide access to shade and cool drinking water in farms and other outdoor places when temperatures reach 80 degrees, with additional requirements to offer more breaks and periodic wellness checks when it reaches 90 degrees.The rules also require employers that provide temporary housing to field workers, like those with H-2A agricultural visas, to keep rooms at 78 degrees or below. Washington State this year created similar emergency rules to manage extreme weather patterns, joining Minnesota and California, which have also imposed heat safety regulations that apply to farms in recent years.The new protections on the ground in the Northwest can look thrown together: plastic benches roasting in the sun, pop-up tents for shade, drinks laid out in kiddie pools.An apple-picking crew during lunch in Sunnyside, Wash., last month.Volunteers with the United Farm Workers union preparing drinks to hand out last month.Farms have also begun shifts that run at odd hours or overnight to battle the heat.During the 2-6 a.m. shift on a pear orchard in Zillah, Wash.Picking pears at night in Zillah to fight the heat.The Oregon Farm Bureau, an industry group, has supported the new rules, noting that many of its farmers already carry out safety measures that include access to shade, water and extra breaks on their farms. But the group also said that adopting all of the rules has been challenging because they took effect during the middle of the harvest season.“At some point, there is a breaking point in terms of rules and regulations and natural disasters,” said Anne Marie Moss, a spokeswoman for the group. “We need more federal and state government programs for farms to stay sustainable.”Employees of a farm in Southern Oregon, who asked to not be identified out of fear of retribution by their employer, this week described cramped living conditions in temporary housing that made escaping the outside heat difficult.At one unit, with little protection from the elements, the windows were fully covered to keep the heat and light out. In a 20-square-foot room with six bunk beds stacked in rows, small fans were tied to beds with pieces of cloth.Sheets cover the windows to keep heat and sun out of employee housing on a farm in Southern Oregon.A worker inside the employee housing unit where several bunk beds are crammed into a room.Wildfires have also generated some of the poorest air quality in the country. This week, laborers in Medford worked under 94-degree temperatures with an air quality index of 154 — a level considered to be unhealthy by federal standards.The new emergency rules in Oregon mandate that employers provide masks that block very fine particulate matter to field workers when the air quality index reaches 100.The hazards of air quality and heat are magnified by the continued risk of the coronavirus pandemic. The Medford area has had among the highest growth rates of Covid cases in the United States.N95 masks were handed out to workers in Sunnyside, Wash., last month when the air quality began to deteriorate.One worker on a vineyard in Medford, who asked to be identified only as Beatriz because of her insecure status as a migrant worker from Mexico, said field conditions had become exceptionally harsh recently. She noted that while her employer supplies the workers with water, there is little shade for taking cover during her 6 a.m. to 3 p.m. shifts.The heat and wildfire smoke worry her, but not because of health concerns. Beatriz, 38, like many others, is paid by what she can pick. “The grape goes to waste with the smoke,” she said. “It affects our pay also, because we don’t get paid for bad grapes.”Blueberries scorched by high temperatures in Albany, Ore.Some farm owners have questioned whether they should be in business at all. Instead of picking pears, people this week at Meyer Orchards in Medford were cutting down trees, dismantling a farm that had been operating for over a century.Oregon, like much of the West, is gripped by drought. Large parts of the state have exceptionally low levels of water, according to the United States Drought Monitor, including the river valley where the Meyer orchard sits. The outlook is not promising either, according to forecasters.Workers at Meyer Orchards chopping down pear trees.“There has never been a drought this severe,” said Kurt Meyer, who is the fourth generation to run the orchard. “After 111 years, we didn’t have much of a choice. You can’t farm without water.”The orchard is 115 acres, and Mr. Meyer estimates that it costs up to $350,000 a year to grow the fruit. This year, he said, there’s no return on that money.“The industry will have to go to where there’s water,” Mr. Meyer said. “I don’t see the Rogue Valley being a big farming community anymore.”Empty crates for picking apples line an orchard field and back road during a morning harvest shift in Sunnyside. More