Wei Peng¹, Hancheng Dai², Hao Guo³, Pallav Purohit⁴, Johannes Urpelainen⁵, Fabian Wagner⁴ and Hongliang Zhang^6,7, (1)Penn State University, School of International Affairs and Department of Civil and Environmental Engineering, University Park, PA, United States, (2)College of Environmental Sciences and Engineering, Peking University, Beijing, China, (3)Louisiana State University, Civil and Environmental Engineering, Baton Rouge, LA, United States, (4)IIASA International Institute for Applied Systems Analysis, Laxenburg, Austria, (5)Johns Hopkins University, School of Advanced International Studies, Washington, DC, United States, (6)Department of Environmental Science and Engineering, Fudan University, Baton Rouge, United States, (7)Fudan University, Shanghai, China