www.guardian.co.uk
The fourth annual lights-out event expects 1 billion participants, and counts for the first time international landmarks including the Eiffel Tower, the Empire State building and the Burj Khalifa
A personal quest to promote the use of wind energy and hydrogen technology in the Great Lakes area of the United States. The Great Lakes area is in a unique position to become an energy exporting region through these and other renewable energy technologies. *Update 2014: Just do it everywhere - Dan*
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