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Photo by: Michael Sohn

Ramon Pichs Madruga, Co-Chairman of the IPCC Working Group III, Ottmar Edenhofer, Co-Chairman of the IPCC Working Group III, and Rejendra K. Pachauri, Chairman of the IPCC, from left, pose prior to a press conference as part of a meeting of the Intergovernmental Panel on Climate Change (IPCC) in Berlin, Germany, Sunday, April 13, 2014. The panel met from April 7, 2014 until April 12, 2014 in the German capital. (AP Photo/Michael Sohn)

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