Mexico is the first developing nation to make its climate action pledge ahead of U.N. talks in Paris -- and it's actually pretty ambitious.
Another day, another terrifying account of how fast polar ice is melting.
Here's the latest evidence.
Forget what the calendar says: Scientists are using local weather data to predict when spring will actually arrive.
California is headed for a fourth year of drought, and the state climatologist says the situation is "pretty grim." Thanks, climate change.
He hasn’t publicly expressed any interest in another campaign, but there’s lots of media chatter about the theoretical possibility.
Remember last year's disturbing news about the West Antarctic ice sheet collapsing? Wait until you hear what's happening to a huge Antarctic glacier.
This website takes a candid look at who scientists are, why they do what they do, and how they're feeling about the future.
A film about the country’s horrendous pollution made huge waves, and now government officials say they really intend to tackle the problem.