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General Discussion => Science & Nature => Topic started by: sam on March 24, 2010, 23:18

Title: Earth Hour Pictures: Before and After, 2009
Post by: sam on March 24, 2010, 23:18

Quote

The voluntary, annual global blackout, which aims to ease global warming, began in Sydney in 2007 with the nonprofit WWF. In 2009, 2,712 cities, towns, and municipalities in 83 countries signed up to participate in Earth Hour. The movement is a symbolic gesture in support of action against global warming

http://news.nationalgeographic.com/news/2009/03/photogalleries/earth-hour-2009-pictures/?now=2010-03-23-00:01#rome-before-earthhour_4718_600x450.jpg