Heat is costing the U.S. economy billions in lost productivity

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.

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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.

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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.

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“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.”