A study quantified the share of climate change that can attributed to humans and found that at least 74 percent of warming is human-made.

2010 saw the biggest jump in carbon dioxide output, ever.

The mission of Occupy Green/Red Chile is to keep the GM industry's hands off of New Mexico's peppers.

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Ah-nold doesn't think the government is doing enough to help out renewable energy and wants to hear what the Republican presidential candidates are going to do about it. OR ELSE.

Grist thanks its sponsors. Become one.

India's getting cheap solar power by making companies compete against each other at auctions for large projects.

Greenpeace activists broke into a nuclear plant in France to hang a "Safe Nuclear Power Doesn't Exist" sign on one of the reactors.