1. School of Economics and Management, Beijing Forestry University, Beijing 100083, People’s Republic of China
2. Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, Guangdong 510006, People’s Republic of China
3. School of Civil and Environmental Engineering, The University of New South Wales, Sydney, New South Wales 2052, Australia
4. Institutes of Science and Development, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
5. School of Public Policy and Management, University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China