Justin Trudeau, premier ministre Canadien - Conférence sur le climat à L'ONU à New York le 22 Avril 2016. Leaders from around the world gathered in General Assembly Hall at UN Headquarters in New York City to sign the Global Climate Agreement resulting from the COP21 conference in Paris (December 2015) in New York on April 22, 2016.22/04/2016 - New York - Photo