Merkel And Hollande Attend Petersburger Climate Conference

BERLIN, GERMANY - MAY 19: A model of the Eiffel Tower meant to look like a wind turbine and erected by Greenpeace activists stands next to the Quadriga statue of to the Brandenburg Gate outside the Axica center, where the 6th Petersburger Climate Conference (Petersburger Klimadialog), was taking place on May 19, 2015 in Berlin, Germany. The May 18-19 conference brings together representatives from 35 nations to discuss climate-related issues ahead of the upcoming UN Climate Conference in Paris later this year. (Photo by Sean Gallup/Getty Images)