For her new book, Devi Lockwood traveled around the world gathering stories of how people are being directly affected by a warming planet.
Why Does Asthma Get Worse at Night?
The question has plagued scientists for centuries. A new study offers some answers.
Floods Have Swamped the US. The Next Health Problem: Mold
The goo that grows in soaked buildings can cause infections and allergies—an issue that’s understudied even as climate change leads to more frequent deluges.