Tar sands oil is the most toxic fossil fuel on the planet that leaves in its wake scarred landscapes and a web of pipelines and polluting refineries all while delaying our transition to a clean energy economy. It is an oil disaster that we can still stop.

Campaign Updates

2.22.12
Activists carry petitions from more than 800,000 people who signed on to oppose Keystone XL in less than 24 hours. As more and more people speak out against the Keystone XL tar sands oil pipeline - n...
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2.14.12
The Colbert Report Get More: Colbert Report Full Episodes,Political Humor & Satire Blog,Video Archive Bill McKibben of 350.org once again went head-to-head with Colbert last night to talk about the l...
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2.13.12
This piece is cross-posted from the Sierra Club's Lay of the Land blog. Tar sands development in Alberta, Canada, has recently been tied directly to habitat destruction and declining caribou populati...
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Faces of the Tar Sands


Americans from Minnesota to Houston are worried about Canada's tar sands poisoning their air, water, and farmland. We profile 13 people whose health and livelihoods are at risk.

Save the Boreal Forest


Tar sands extraction destroys boreal forests that are home to grizzly bears, birds, and more. Learn about the boreal forest


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