Experts say we must take dramatic action on climate change in the next five to ten years. Find out why.

The head of Greenpeace International discusses the politics of global warming and the urgency of environmental activism.

Climate skeptics are doing anything they can to undermine public acceptance of the dangers posed by climate change.

Find out what Kumi Naidoo, Greenpeace International's executive director, recommends you do to curb climate change and secure the future for the next generation.

Here are some things you can do right now to forge a path toward a more democratic, equal and ecologically sustainable society.

The head of Greenpeace International talks with Bill Moyers about the best and worst case scenarios for the Greenpeace activists taken into custody by Russian authorities.

The EPA's new regulations make it hard to build an old-fashioned coal power plant. But coal was already growing unpopular.

If food waste was a country, its 3.3 gigatonnes of emissions would make it the third highest emitting country in the world.

A handful of very dirty power plants are responsible for a huge share of America's CO2 emissions. We mapped them.

A study finds that the Trans-Pacific Partnership, a controversial trade agreement in negotiation, would only benefit those at the top.