United Nations Secretary-General Antonio Guterres (C, front) briefs the General Assembly on the 2019 outlook, at the UN headquarters in New York, Jan. 16, 2019. UN Secretary-General Antonio Guterres said Wednesday that the United Nations needs to speed up efforts in fighting climate change, achieving toward the Sustainable Development Goals (SDGs) and harnessing the benefits of new technologies. (Xinhua/Li Muzi)