Xie Zhenhua, China's special representative on climate change affairs, delivers a speech during the High-Level Segment of the 22nd Session of the Conference of the Parties to the United Nations Framework Convention on Climate Change (COP22) in Marrakech, Morocco, on Nov. 16, 2016. China on Wednesday called for faster fulfillment of commitments already made for climate actions before 2020, urging developed countries to revisit and increase their emission cut ambitions. (Xinhua/Zhao Dingzhe)