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us heat waves climate impacts

U.S. heat wave: 100 million under alerts from Phoenix to Boston

More than 100 million people in the Lower 48 states are under heat alerts on Thursday amid relentlessly sweltering temperatures that have soared as high as 115 degrees in recent days.

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summer heat climate ipacts

Above-normal summer heat is forecast for most of the U.S.

Just as temperatures were heating up for about half of the U.S. population this week, the National Oceanic and Atmospheric Administration issued its monthly climate trends report on Thursday. The main takeaway? Prepare for a scorcher of a summer.

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