French President Francois Hollande, right, French Foreign Minister and president of the COP21 Laurent Fabius, center, and United Nations Secretary General Ban ki-Moon applaud after the final conference at the COP21, the United Nations conference on climate change, in Le Bourget, north of Paris, Saturday, Dec.12, 2015. Governments have adopted a global agreement that for the first time asks all countries to reduce or rein in their greenhouse gas emissions.
French President Francois Hollande, right, French Foreign Minister and president of the COP21 Laurent Fabius, center, and United Nations Secretary General Ban ki-Moon applaud after the final conference at the COP21, the United Nations conference on climate change, in Le Bourget, north of Paris, Saturday, Dec.12, 2015. Governments have adopted a global agreement that for the first time asks all countries to reduce or rein in their greenhouse gas emissions. Francois Mori AP
French President Francois Hollande, right, French Foreign Minister and president of the COP21 Laurent Fabius, center, and United Nations Secretary General Ban ki-Moon applaud after the final conference at the COP21, the United Nations conference on climate change, in Le Bourget, north of Paris, Saturday, Dec.12, 2015. Governments have adopted a global agreement that for the first time asks all countries to reduce or rein in their greenhouse gas emissions. Francois Mori AP