When we talk about climate change, we most often talk about changes in air temperature—and with good reason. The rapid rise in global and U.S. average air temperatures is a direct result of climate ...

This story was published on June 19, 2025, and has been updated. The first significant heat wave of the summer is hitting much of the United States this week. From the Midwest to the East Coast, ...

As heat waves around the globe break records month after month, climate change is manifesting in more nuanced ways across the Midwest. Summertime feels stickier, and humid nights offer little relief ...

Warming coastal oceans driving 50–64% rise in humid heatwaves over land, raising heat risk across South and West Asia, study ...