Are heat waves becoming more common?
Parts of the U.S. are scorching under record-breaking, triple digit temperatures. A climatologist explains why heat waves are becoming more frequent and intense.
And even more
How climate change is driving polar bears to extinction
Saving New York City’s coasts — with oysters
The story of Coldplay
Meet Chief Ninawa Huni Kui, who is fighting to save the Amazon forest
Daniel Toben has picked up over a million pieces of trash
We’re killing sharks faster than they can reproduce