Biden proposes new rules to protect workers from extreme heat

President Joe Biden on Tuesday proposed a new rule to address excessive heat in the workplace, warning — as tens of millions of people in the U.S. are under heat advisories — that high temperatures are the country's leading weather-related killer.

If finalized, the measure would protect an estimated 36 million U.S. workers from injuries related to heat exposure on the job — establishing the first major federal safety standard of its kind. Those affected by excessive heat in the workplace include farmworkers...