Xiangbo Xu, assistant professor, UNEP-IEMP. Most of his research concentrates on environmental economics, environmental policy evaluation, environmental effect and risk assessment, adaptation to climate change and biodiversity protection. He has leaded and participated in many projects entrusted by National Natural Science Foundation of China, Chinese Academy of Sciences, Ministry of Agriculture and Rural Affairs, PRC, Ministry of Ecology and Environment, PRC, etc. He has published more than 30 papers in refereed international journals.