Mingyang Zhang¹, Scot M Miller¹, Sarah Jordaan², Wei Peng³ and Qiang Zhang⁴, (1)Johns Hopkins University, Department of Environmental Health and Engineering, Baltimore, MD, United States, (2)Johns Hopkins University, School of Advanced International Studies, Baltimore, MD, United States, (3)Penn State University, School of International Affairs and Department of Civil and Environmental Engineering, University Park, PA, United States, (4)Center for Earth System Science, Tsinghua University, Beijing, China