Heat killed a record number of Americans last year
As the planet warms, heat-related deaths are increasing in the U.S., according to a new study that looked at federally reported data since 1999.
More Americans died from heat in 2023 than any year in over two decades of records, according to the findings published Monday. Last year was also the globe's hottest year on record, the latest grim milestone in a warming trend fueled by climate change.
The study, published in the American Medical Association journal JAMA, found that 2,325 people died from heat in 2023. Researchers admit that number is likely an undercount. The research adjusted for a growing and aging U.S. population, and found the death toll was still staggering.
“The current trajectory that we’re on, in terms of warming and the change in the climate, is starting to actually show up in increased deaths,” lead author Jeffrey Howard, an associate professor of public health at the University of Texas at San Antonio, told USA TODAY. “That’s something that we hadn’t had measured before.”
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