NINGBO, CHINA - MARCH 26: (CHINA OUT) The Tianyi Square is seen during the Earth Hour 2011 power switch off on March 26, 2011 in Ningbo, Zhejiang Province of China. About 86 Chinese cities joined a ... more 
NINGBO, CHINA - MARCH 26: (CHINA OUT) The Tianyi Square is seen during the Earth Hour 2011 power switch off on March 26, 2011 in Ningbo, Zhejiang Province of China. About 86 Chinese cities joined a WWF worldwide initiative Earth Hour, to call on people to switch off unnecessary lights for one hour tonight, in support for energy-saving efforts and global warming prevention as a shared responsibility. (Photo by ChinaFotoPress/Getty Images) less 
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Getty Images | Photo By ChinaFotoPress / Getty Images
Sat, Mar 26, 2011 1:26 PM EDT