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Extreme heat is a leading cause of weather-related deaths in the United States, resulting in an average 658 fatalities each year, according to the Centers for Disease Control and Prevention. Thousands more suffer from heat-related illnesses, including heat exhaustion and stroke. The elderly, children, poor people and people who have manual labor jobs outdoors are among the most vulnerable during heatwaves.
On Tuesday, as sweltering heat began to take hold of the central and eastern U.S., the Union of Concerned Scientists published a report saying that without swift action to rein in greenhouse gas emissions, the number of days per year in the U.S. when the heat index exceeds 100 degrees could more than double by 2050 and quadruple by the end of the century.
“Our analysis shows a hotter future that’s hard to imagine today,” Kristina Dahl, a senior climate scientist at UCS and a co-author of the report, said in a statement. “Nearly everywhere, people will experience more days of dangerous heat even in the next few decades.”
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