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Tracking Key Industrial Sectors for CO2 Mitigation through the Driving Effects: An Attribution Analysis
Xian'en Wang1,2,3, Tingyu Hu1,2, Junnian Song1,2,3
1Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China.
Industrial sectors significantly impact regional CO2 mitigation. Energy intensity drives reductions in Beijing, while industrial structure changes are key in Anhui, Henan, and Chongqing. Production and supply of power and heat is a central factor across regions.
Area of Science:
- Environmental Science
- Industrial Ecology
- Energy Policy
Background:
- Growing pressure exists to control industrial CO2 emissions.
- Identifying key sectors and their mitigation strategies is crucial for effective policy.
Purpose of the Study:
- To quantify the contribution of industrial sectors to regional CO2 mitigation in China.
- To identify key CO2 mitigation sectors for 30 Chinese provincial regions.
Main Methods:
- Logarithmic mean Divisia index (LMDI) decomposition.
- Attribution analysis to identify sector-specific mitigation contributions.
Main Results:
- Energy intensity significantly reduced CO2 in Beijing (74%).
- Industrial structure changes were key for Anhui (50%), Henan (45%), and Chongqing (45%).
- Production and supply of power and heat (PSPH) is a central mitigation factor; Petroleum processing and coking (PPC) and smelting and pressing of ferrous metals (SPMF) also play key roles.
Conclusions:
- Regional CO2 mitigation strategies must consider sector-specific characteristics.
- Targeting key sectors like PSPH, PPC, and SPMF can enhance emission reduction efforts.
- Findings provide a basis for region- and sector-specific CO2 mitigation policies.
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