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http://www.nytimes.com/2011/06/16/science/earth/16solar.html
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http://www.guardian.co.uk/commentisfree/2011/jun/14/solar-revolution-gov...
http://www.huffingtonpost.com/2011/06/13/cambridge-crude-mit-battery_n_8...
http://www.guardian.co.uk/environment/2011/jun/06/tunnel-solar-belgium-r...
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