Activists hold a banner reading "standing and decided for climate" during a demonstration near the Eiffel Tower in Paris on Dec. 12, 2015, during the United Nations Climate Change Conference. Matt Dunham/AP hide caption

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French Foreign Minister and President of the COP21 Laurent Fabius (center) gives a thumbs up while U.N. Secretary-General Ban Ki-moon (left) and French President Francois Hollande applaud after the final meeting of the U.N. conference on climate change in Le Bourget, France, on Saturday. Francois Mori/AP hide caption

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The "Green Moms" group displays painted baby tubs during a June 2013 protest in Quezon, Philippines, showing opposition to the genetically modified rice variety "golden rice," which proponents promote as a solution to Vitamin A deficiency. Bullit Marquez/AP hide caption

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A man walks through hundreds of pairs of shoes displayed in Paris as part of a rally called "Paris sets off for climate" on Sunday, Nov. 29. More than 140 world leaders are gathering around Paris for high-stakes climate talks this week. Laurent Cipriani/AP hide caption

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Indian athlete Dutee Chand has been fighting the ban for "hyperandrogenism," or the presence of high levels of testosterone in the body, that has made her ineligible to compete as a sprinter. Rafiq Maqbool/AP hide caption

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