It is a basic national policy of China and the most important problem in the current development process to control pollution and protect environment.Since environmental and ecological management has strong externality,there is little room for the private sector to play,and government governance becomes the most important means.To rationally assess government effectiveness in ecological management and clarify the main factors affecting the effective governance,Zhengzhou City is taken as research object.By referring to advanced experience of policy evaluation at home and abroad,two level-one indexes(ecological effect and economic effect)and eight level-two indexes(days of good air,concentrations of main air pollutants,energy consumption of per unit GDP,total energy consumption,per capita GDP,energy consumption of heavy industry,added value of industries above designated size,and annual fixed asset investment)are constructed to evaluate effectiveness of air pollution control policy in Zhengzhou City.Moreover,the factors affecting effectiveness of air pollution control policy in Zhengzhou City are analyzed.Finally,corresponding suggestions are proposed based on these factors:perfecting laws and regulations of air pollution control in Zhengzhou City,establishing accountability mechanism and cross regional governance system,adjusting industry and energy structure,valuing environmental technology and social participation,and improving government and people's awareness of environmental protection.
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机译：It is a basic national policy of China and the most important problem in the current development process to control pollution and protect environment.Since environmental and ecological management has strong externality,there is little room for the private sector to play,and government governance becomes the most important means.To rationally assess government effectiveness in ecological management and clarify the main factors affecting the effective governance,Zhengzhou City is taken as research object.By referring to advanced experience of policy evaluation at home and abroad,two level-one indexes(ecological effect and economic effect)and eight level-two indexes(days of good air,concentrations of main air pollutants,energy consumption of per unit GDP,total energy consumption,per capita GDP,energy consumption of heavy industry,added value of industries above designated size,and annual fixed asset investment)are constructed to evaluate effectiveness of air pollution control policy in Zhengzhou City.Moreover,the factors affecting effectiveness of air pollution control policy in Zhengzhou City are analyzed.Finally,corresponding suggestions are proposed based on these factors:perfecting laws and regulations of air pollution control in Zhengzhou City,establishing accountability mechanism and cross regional governance system,adjusting industry and energy structure,valuing environmental technology and social participation,and improving government and people''s awareness of environmental protection.
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