Limiting global warming to 1.5 degrees C could prevent thousands of deaths in the U.S.

A study projecting heat-related mortality in 15 cities illustrates urban risk from warming

STAYING COOL  A woman hydrates on a hot June day in Phoenix, when temperatures soared past normal. A study of 15 U.S. cities, including Arizona’s capital, analyzes different global warming scenarios and avoided heat-related deaths.

Jack Kurtz/ZUMA Press, Inc./Alamy Stock Photo

Having the world meet a more stringent goal to limit global warming may prevent thousands of heat-related deaths in 15 major U.S.