State Department Says Keystone XL Will Have Little Environmental Impact – Campaigners Disagree
photo: Ben Powless for Tar Sands Action/CC BY
As protesters continue their civil disobedience outside the White House (pictured above), and getting arrested by the score each day, the State Department has taken a further step towards approving the Keystone XL tar sands pipeline, issuing its final environmental ...Read the full story on TreeHugger

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Research done at Jungfraujoch, high in the Alps, discovered the discrepancy. Photo: Empa
Most TreeHugger readers will probably correctly cite carbon dioxide and methane as greenhouse gases, but less will cite 
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