An activist holds a graphic representation of the need for climate change, according to environmental groups and human rights organizations Saturday Oct. 24, 2009, in front of La Bourse, the former Stock Exchange building in Paris, for a flash mob protest aimed at French president Nicolas Sarkozy ahead of the U.N. climate summit scheduled for Dec. 10 in Copenhagen. Crucial talks will be held in Copenhagen in December on a new treaty to curb global warming. (AP Photo/Francois Mori)

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