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States, municipalities and companies across the US are embracing clean energy sources such as wind and solar and the many benefits the industry brings, including job creation, low-cost electricity and better air quality, writes Jodie Van Horn, director of the Sierra Club's Ready for 100 campaign. "Community by community, local leaders are demonstrating that a transition away from dirty fuels like coal and fracked gas and toward 100 percent clean energy is already happening," she writes.

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