Alejandra Burundo

Only a handful of states in the country have any rules protecting workers from heat, but California has had one for outdoor workers since 2005.

The state upped enforcement and closed loopholes for the rule in 2010 and 2015.

And according to a new study in the journal Health Policy, it appears to be working.

Lead author Adam Dean is at George Washington University.

Dean says that's important information for the Federal Occupational Safety and Health Administration to know.

OSHA proposed a national heat rule in 2024 and is considering it now.

Alejandra Burunda, NPR News.