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
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/06/060519_ac_heatwave_feat.jpg?fit=860%2C460&ssl=1)
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