Parts of the Southern and Northeastern U.S. faced tornado threats this week. Scientists are trying to parse out the climate links in changing tornado activity.

The Los Angeles native wants to fight smog—and make the city a leader in a green-tech revolution at the same time.

Nat Geo’s 2026 Nat Geo 33 highlights women creating local solutions to climate change, biodiversity loss, and global food ...

Scientists disagree whether human-made climate change or natural fluctuations are mostly to blame for worse-than-expected heat in recent years ...

A discovery tucked behind a family photograph for years just added a new chapter to the Lansky legacy. Hal and Julie join Live at 9 with the reveal, their new book and 80 years making history. A West ...