The deadliest severe weather phenomenon is something you might not realize: extremeheat. EleniMyrivili, chief heat officer of the city of Athens, Greece, explains that extremeheat and heatwaves are often overlooked because they're not as dramatic as flooding or hurricanes – and breaks down three approaches to keep cities cool in a time of rapid global temperature rise. "Cranking up the air conditioner is just not going to cut it," she says.
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