As Planet Warms, Advocates Urge U.S. To Set Rules To Protect Workers From Heat

On a blistering hot day in southern California, construction workers carry large bottles of water during a break. Experts predict more intense and more frequent heat events across the country in coming decades, with huge implications for both indoor and outdoor workers.

Extreme heat events will become more frequent and more intense in coming decades. Advocates want the federal government to set enforceable heat standards to protect workers.

(Image credit: Richard Vogel/AP)