Carbon Reduction Capability of"Joint Protection of the Same River":Evidence from the Cross-provincial Trans-basin Ecological Protection Compensation Mechanism
Coordinated carbon reduction in regional ecological management is an important means to achieve the dual carbon targets.Taking the Xin'an River,Jiuzhou River,and Tingjiang-Hanjiang River basins as examples,this paper examines the collaborative carbon reduction effect of implementing a cross-provincial ecological protection compensation mechanism in trans-provincial river basins.We found that this policy,by encouraging the optimization of energy structure and limiting the entry of high-carbon-intensive industries in the areas along the river through source control measures,has generated significant collaborative carbon reduction effects.However,it should be noted that the collaborative carbon reduction effect of"joint protec-tion of the same river"is achieves with certain economic costs,leading to reduced production in the areas along the river.Further research revealed that compared with the downstream areas serving as compensation zones,the upstream areas as recipient zones achieved greater carbon reduction effects.This was mainly due to the innovative strategies adopted by the upstream areas to drive emission reduction,significantly reducing energy intensity through the application of energy-saving technologies and encouraging enterprises to engage in green independent innovation.The study can provide valuable policy support for the comprehensive promo-tion of cross-provincial river basin horizontal ecological protection compensation mechanisms and coordinated efforts to reduce pollution and carbon emissions.
trans-provincial river basinhorizontal ecological conservation compensation mechanismcoor-dinated carbon reductionsource control
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