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Heat stress can turn deadly even sooner than experts thought
As temperatures rise, new research shows critical limits for how heat affects the body may be lower than previously thought. Humidity is a big factor.
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Tracy J. Wholf is a senior coordinating producer of climate and environmental coverage for CBS News and Stations, based in New York.
Wholf began covering environmental news when she pivoted to journalism in 2010, working at Dan Rather Reports. She continued in the beat and earned a Headliner Award for environmental coverage at PBS NewsHour Weekend. Wholf joined the second season of "Years of Living Dangerously," a series on NatGeo, in 2016, where she documented climate change issues in China and the Middle East. As an investigative producer at ESPN, she won a Gracie and Emmy award for her work, which often focused on sexual abuse and exploitation in sports, as well as climate risks to athletes. In 2021, she helped launch the climate unit at ABC News, earning a duPont-Columbia award for environmental reporting. Wholf joined CBS News in 2023 to establish the network's climate unit.
As temperatures rise, new research shows critical limits for how heat affects the body may be lower than previously thought. Humidity is a big factor.
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