The proposed rule would introduce worker protections as dangerous temperatures become the norm, but several industries and ...

USA TODAY analysis found that 90-plus heat index days are becoming more frequent, starting earlier, lasting longer and occurring in longer streaks ...

Along with collaborators across the U.S. and Mexico ... and other heat waves have likely contributed to the deaths of about 7,000 humpback whales in the Pacific, according to the study.

A novel analysis suggests more than 3,500 animal species are threatened by climate change and also sheds light on huge gaps in fully understanding the risk to the animal kingdom.

The Texas-Mexico border is scorching under a record-setting heat wave, with temperatures soaring past 100 degrees, making it ...

The first major heat wave of the year is sweeping across a large swath of North America, delivering extreme conditions from Mexico to Canada with the United States — and Texas in particular ...