Some regions and countries are succeeding in the fight against global warming. Here's what we can learn from them.

The National Climate Assessment isn't just about our future. It's about our scarcely recognizable present.

The coalition urged the Obama administration to consider the effects the pipeline would have on the communities it passes through.

A few enterprising towns and cities have been working to sustainably reorganize their economies.

Exxon and the UN's Panel on Climate Change released reports on the same day. The two reports' views of the future are starkly different.

Thirty percent of CNN's and 8 percent of MSNBC's climate-related segments were misleading.

The food supply will dwindle, and the poor will be hit hardest, but we'll all be affected as the world becomes more unstable.

Scientists want you, the American public, to know that yes, they really do agree that climate change is happening, and its effects will be scary.

The Dan River coal ash spill is a case study in what happens when a regulator gets too friendly with the industry it regulates.

A new study looks at historical examples of ancient civilizations that failed and concludes that we may be headed in that direction.