LOS ANGELES, CA - FEBRUARY 17: Demonstrators march to City Hall during the "Forward on Climate" rally to call on President Obama to take strong action on the climate crisis on February 17, 2013 in Los Angeles, California. Organizers say the rally, which is led by Tar Sands Action Southern California and Sierra Club, is composed of a coalition of over 90 groups and coincides with similar rallies in Washington D.C. and other U.S. cities. (Photo by David McNew/Getty Images)
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Getty Images News David McNew