WANG Can, Chair of the Department of Environmental Planning and Management, School of Environment, Tsinghua University. His research areas cover the climate change economics and policy, environment-energy-economy systems analysis, integrated impacts assessment of technology and policy. He is Lead Author of the 4th National Climate Change Assessment Report of China, Review Editor of the 6th IPCC Assessment Report, and editor of international journals including One Earth, ICE-Energy, etc. He also served as board member of number of advisory bodies within the UNFCCC.