Climate Change

Sweltering 2016 is a warning from the future

Greenland tourism hub showcases natural beauty, perilously fast-melting glacier

'Watermelon snow' speeds Arctic melting

For the first time, a mammal species is extinct because of human-induced climate change

What are megaslumps, and how do they threaten our planet?

10 sobering vignettes of our new climate reality

7 monuments, cities and world treasures we could lose to rising sea levels

5 ancient civilizations that were destroyed by climate change

Beavers: 8 things to know about nature's most impressive landscape engineers

Native people built seashell islands off Florida

As U.N. makes history on Earth Day, Leonardo DiCaprio reminds us not to rest on laurels

How to share Earth with other animals