Jinnan Wang is an expert in environmental planning and management, elected as an academician of the Chinese Academy of Engineering in 2017. He is the president of the Chinese Academy of Environmental Planning, the director of the National Key Laboratory of Environmental Planning and Policy Simulation, and a PhD supervisor. He has successively served as an expert in 6 special general groups including the National Air Pollution Causes and Control，and more than 20 academic institutions including the chairman of the Global Association of Chinese Environmental Experts (PACE). He has made outstanding contributions to the development of environmental planning and environmental economics in China, he has presided over and completed more than 30 national plans including China's 11th, 12th and 13th five-year environmental protection plans, key river basin and regional environmental protection plans, air pollution prevention and control action plan, and Beijing Tianjin Hebei regional environmental protection plan, and systematically constructed the decision-making plan of China's pollution reduction project, the implementation and management of pollution reduction projects and the socio-economic environmental impact assessment theory, method and technical system of emission reduction projects. He has won the special government allowance of the State Council, direct contact experts of the CPC Central Committee, China Youth Science and technology award, special award for green Chinese figure, national outstanding scientific and technological worker, earth (Sweden) award, national environmental science and technology leader and 22 national and ministerial science and technology awards. Xiahui Wang is a senior fellow and the Deputy Chief Engineer of the Chinese Academy of Environmental Planning. He mainly engaged in ecological civilization, regional ecological planning, and rural and soil environmental protection research. He hasundertaken more than 20 national key scientific research projects, published more than 40 papers in academic journals at home and abroad, edited 3 books, and is responsible for the preparation of technical work such as the action plan for soil pollution prevention and control, the 13th five year plan for national ecological protection, and the national plan for comprehensive improvement of rural environment. Jun Wan is a senior fellow and the Chief Engineer of the Chinese Academy of Environmental Planning. He mainly engaged in environmental protection planning, ecological protection and ecological evaluation. He is the main implementer of the 13th five-year plan for ecological and environmental protection.