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Earth Hour is March 31st @ 8:30pm

Earth Hour is March 31st @ 8:30pm

High-res 3/30/12 — 10:33am Short URL: http://tmblr.co/Z0IMyxIod1zk Filed under: #earth hour  #ciraligtht  #worldwide  #energy  #efficicency  #sustainability  #energy  #green  #blue  #black  #light bulbs  #electricity