STRASBOURG, FRANCE - OCTOBER 4: European Commission's President Jean-Claude Juncker, France's Minister for Ecology, Sustainable Development and Energy Segolene Royal, UN Secretary-General Ban Ki-moon, and European Parliament President Martin Schulz take part in a voting session on the UN Climate Change agreement struck in Paris last year at the European Parliament in Strasbourg, eastern France, on October 4, 2016. The European Parliament gave its approval for the ratification of the Paris climate agreement by the EU on Tuesday, a crucial step which paves the way for the deal to come into force. (Photo by Elyxandro Cegarra/Anadolu Agency/Getty Images)