Sierra Club

@sierraclub

Since 1892, the Sierra Club has been working to protect communities, wild places, and the planet itself.

Awesome graphic from @votesolar: From 2007 to 2012, there's been a 1400% growth in #solar power in the U.S.

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962 days ago

Awesome graphic from : From 2007 to 2012, there's been a 1400% growth in #solar power in the U.S.

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