United Nations Secretary-General Antonio Guterres speaks at a press conference in Buenos Aires, Argentina, on Nov. 30, 2018. All nations should take responsibility, get down to action and strengthen coordination in the multilateral process in tackling climate change, Chinese State Councilor and Foreign Minister Wang Yi said here on Friday at a three-party meeting with French Foreign Minister Jean-Yves Le Drian and United Nations Secretary-General Antonio Guterres on the sidelines of the Group of 20 (G20) summit. (Xinhua/Fei Maohua)