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Limiting warming prevents heat deaths.

If global temperature rise is limited to the thresholds set out in the 2015 Paris Climate agreement, thousands of heatrelated deaths in major U.S. cities could be averted, a new study finds.

Published in June in Science Advances, the study used temperature and mortality data, combined with climate projections, to estimate impacts on heat-related deaths in 15 U.S. cities.

Researchers estimated that limiting warming to the accord's lower thresh olds could prevent between 110 to more than 2,700 annual heat-related deaths during extreme heat events, depending on the city.

Limiting warming to the accord's upper thresholds could avoid between 70 and nearly 2,000 city deaths, taking into account a city's population.

"We are no longer counting the impact of climate change in terms of degrees of global warming, but rather in terms of number of lives lost," said study co-author Dann Mitchell, PhD, a research fellow and lecturer at the University of Bristol, in a news release. "Our study brings together a wide range of physical and social complexities to show just how human lives could be impacted if we do not cut carbon emissions." The study authors further concluded that the results "demonstrate that strengthened mitigation ambition would result in substantial benefits to public health in the United States."

Mark Barna contributed to this article.

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Title Annotation:NATION IN BRIEF
Author:Krisberg, Kim
Publication:The Nation's Health
Date:Aug 1, 2019
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