FILE - In this Dec. 12, 2015, file photo, French President Francois Hollande, right, French Foreign Minister and president of the COP21 Laurent Fabius, second right, United Nations climate chief Christiana Figueres, left, and United Nations Secretary General Ban Ki-moon hold their hands up in celebration after the final conference at the COP21, the United Nations conference on climate change, in Le Bourget, north of Paris. (AP Photo/Francois Mori, File)
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