1. State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, P. R. China
2. Business School, University of Shanghai for Science and Technology, Shanghai 200093, P. R. China
3. Key Laboratory of Geographic Information Science (Ministry of Education), School of Geographic Sciences, East China Normal University, Shanghai, 200241, P. R. China
4. College of Management and Economics, Tianjin University, Tianjin 300000, Tianjin, P. R. China
5. School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei, P. R. China
6. Institute of Blue and Green Development, Shandong University, Weihai 264209, Shandong, P. R. China