Urban Heat Islands Amplify Summer Temperatures in Major US Cities, Threatening Millions

A new analysis by Climate Central reveals that over 5 million people across 65 major US cities live in urban heat islands, areas where built environments can amplify summer temperatures by at least 10 degrees Fahrenheit. This heightened heat risk poses significant health threats and exacerbates the impacts of climate change, particularly for the 145,000 residents experiencing the most extreme heat island effects.

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