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Performers wearing effigies of world leaders (From L) German Chancellor Angela Merkel, China's President Xi Jinping, US President Barack Obama, Indian Prime Minister Narendra Modi and French President Francois Hollande gather for a breakfast organized by Oxfam NGO on November 28, 2015 in Paris, on the eve of the COP21 United Nations conference on climate change. The Paris conference will gather some 40,000 people, including 10,000 delegates from 195 countries, plus journalists, observers, scientists, exhibitors and visitors. The menu at right reads "Today's special : Less carbon emission, More money on demand for he most vulnerable populations". The Eiffel Tower is seen in background. / AFP / ERIC FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images)

Performers wearing effigies of world leaders (From L) German Chancellor Angela Merkel, China's President Xi Jinping, US President Barack Obama, Indian Prime Minister Narendra Modi and French President Francois Hollande gather for a breakfast organized by Oxfam NGO on November 28, 2015 in Paris, on the eve of the COP21 United Nations conference on climate change. The Paris conference will gather some 40,000 people, including 10,000 delegates from 195 countries, plus journalists, observers, scientists, exhibitors and visitors. The menu at right reads "Today's special : Less carbon emission, More money on demand for he most vulnerable populations". The Eiffel Tower is seen in background.  / AFP / ERIC FEFERBERG        (Photo credit should read ERIC FEFERBERG/AFP/Getty Images)