The synergic impacts of air pollution control policies on pollutants and carbon emissions.

The Chinese government implemented air pollution control policies in its Five-Year Plans (FYPs), setting specific emission reduction targets for different regions. This study employed the generalized difference-in-differences (GDD) method to assess the impacts of air pollution control policies on pollutants and carbon emissions from 2003 to 2020. This study had three main findings. (1) Air pollution control policies promoted the reduction of total SO ₂ and carbon emissions, indicating that these policies had synergic impacts on pollutants and carbon emissions. (2) The reduction in emissions due to air pollution control policies primarily originated from industrial emissions, particularly in reducing industrial SO ₂ emissions from process of production. (3) The emission reduction targets of different pollutants showed varying effects; SO ₂ reduction targets significantly lowered overall SO ₂ emissions, whereas NO _x reduction targets effectively reduced industrial NO _x and carbon emissions.
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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