China, U.S. work on clean energy cooperation at bilateral forum in Denver

Ren Shuben, Director General of the Department of Resource Conservation and Environmental Protection of China's National Development and Reform Commission, delivers a keynote speech during the 8th U.S.-China Energy Efficiency Forum in Denver, the United States, Oct. 13, 2017. Denver city officials welcomed Chinese government and energy leaders with open arms Friday as the city hosted the bilateral Energy Efficiency Forum (EEF) for the first time. (Xinhua/Guo Shuang)