UNITED NATIONS, July 14, 2016 (Xinhua) -- Christiana Figueres speaks to the press after the informal dialogue for the position of the next Secretary-General, at the United Nations headquarter in New York, July 14, 2016. Costa Rica's Christiana Figueres campaigned before the UN General Assembly on Thursday to succeed UN Secretary-General Ban Ki-Moon, who will retire on Jan. 1, 2017. (Xinhua/Li Muzi)