Can Carbon Emission Trading Improve Regional Environmental Pollution?——Based on the Test of Synthetic Control Method in Seven Pilot Provinces and Cities
Integrating low-carbon development into environmental protection is not only an important issue for today's societal development,but also a crucial aspect of achieving sustainable development.Facing the challen-ges of global climate change,the carbon emission trading policy,as an essential market mechanism,plays a significant role in promoting low-carbon development and environmental protection.To delve deeper into the syner-gistic governance effect of the carbon emission trading policy on environmental pollution,this paper conducts a comprehensive evaluation of regional environmental pollution based on provincial panel data from 2000 to 2017.It further employs synthetic control and difference-in-differences methods to thoroughly analyze the effects and mecha-nisms of the carbon emission trading policy.In the comprehensive evaluation of regional environmental pollution,this article takes into account multiple factors such as water pollution,carbon emissions,and sulfur dioxide emissions,conducting a comprehensive assessment of the degree and trends of environmental pollution.In the analysis of the impact of carbon emission trading policy,this article adopts the synthetic control method,which constructs a counterfactual framework to compare changes in environmental pollution before and after the implementation of carbon emission trading policy.The research finds that carbon emission trading policy can significantly reduce regional environmental pol-lution,and this policy effect exhibits a certain degree of heterogeneity among different regions.At the same time,this article further explores the impact mechanism of carbon emission trading policy.Through the analysis of the double difference method,it is found that the policy mainly improves regional environmental pollution through two paths:enhancing technological levels and optimizing energy structures.Based on the research conclusions,this article proposes the following policy recommendations:(1)China should establish a carbon emission trading mechanism tailored to local conditions nationwide to fully leverage its role in reducing environmental pollution.Different regions and industries should formulate differentiated carbon emission trading policies and standards based on their own characteristics and development needs.(2)We should further improve and optimize the energy structure,to promote the development and application of clean energy.By increasing the research and development and promotion of clean energy technologies,and improving energy utilization efficiency,we can effectively reduce carbon emission and environmental pollution.(3)We should enhance technological vitality,encourage and support the research and application of environmental protection technologies.By increasing investment in technological innovation,promoting breakthroughs and transformational applications in environmental protection technologies,and improving the level of industrial environmental protec-tion,we can provide strong support for the continuous improvement of environmental pollution.This article provides useful references and insights for the formulation and implementation of environmental policies in China through an in-depth research and discussion on the synergistic governance effect of carbon emis-sion trading policy on environmental pollution.This article takes into account the synergistic governance effect of policies,but the limitation lies in the insufficient comprehensiveness of the indicator system for describing environmental pollution.Future research can consider more factors such as air pollution,water pollution,and soil pollution to more objectively describe the degree of environmental pollution.Furthermore,we can further explore the synergistic effect between carbon emission trading policy and other environmental policies such as environmen-tal taxes,emission trading,etc.,and how they jointly contribute to the governance of environmental pollution.
carbon emission tradingcollaborative governanceenvironmental pollutionsynthetic control method
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