World Climate Change Conference 2015
French President Francois Hollande gestures when posing with world leaders for a photo during the opening day of the World Climate Change Conference 2015 near Paris.
(JACKY NAEGELEN / AFP/Getty Images)Russian President Vladimir Putin delivers a speech as he attends Heads of States’ Statements ceremony of the COP21 World Climate Change Conference 2015 north of Paris.
(ETIENNE LAURENT / EPA)President Barack Obama smiles during the inaugural session of the COP 21 United Nations conference on climate change on the outskirts of Paris.
(ERIC FEFERBERG / AFP/Getty Images)A police officer and his dog check photgrapher’s bags during the COP21 near Paris. World leaders are meeting in Paris for the start of COP21, the two-week UN climate change summit, attempting to agree on an international deal to curb greenhouse gas emissions.
(Pascal Le Segretain / Getty Images)A couple wear protective masks as they walk outside the Forbidden City on a day of heavy pollution in Beijing. The representatives of the governments of more than 190 countries are meeting in Paris this week to set targets on reducing carbon emissions in an attempt to forge a new global agreement on climate change.
(Kevin Frayer / Getty Images)