YU Hongyuan,PH.D( Chinese University of Hong Kong),  is an professor and Director of Institute for Comparative Politics and Public Policy  at the Shanghai Institutes for International Studies. He is also an honorary fellow of Center for International Energy Strategy Studies,Renmin University of China, an visiting fellow for Sustainable Developmental Research Center of China Academy for Social Science, and an honorary fellow of the Centre for Asian Pacific Studies at Lingnan University in Hong Kong. He got his Ph.D degree from Chinese University of Hong Kong, and Mphil degree from Renmin University of China .From 1998 to 2000, he worked with the administrative centre for China’s Agenda 21 at the Ministry of Science and Technology. Yu Hongyuan is the author of numerous publications, including most recently Global Warming and China's Environmental Diplomacy in Nova Science Publishers(2008)