Fire Department of New York medical staff attend to an elderly person experiencing difficulty breathing outside of an apartment building on April 20, 2020, in New York City.
David Dee Delgado | Getty Images
The U.S. is heading into a scorching hot summer following the hottest May on record, putting Americans already vulnerable to coronavirus at heightened risk of heat-related illness and death.
Climate change is making heat waves more frequent and intense across the world. Higher-than-normal temperatures are likely to hit the mid-Atlantic states and much of the West and Southwest over the following months, according to the National