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Analysis of Energy-Related-CO 2 -Emission Decoupling from Economic Expansion and CO 2 Drivers: The Tianjin Experience in China

Author

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  • Fengmei Yang

    (Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China)

  • Qiuli Lv

    (Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
    University of Chinese Academy of Sciences, Beijing 100049, China)

Abstract

Cities are key areas for carbon control and reduction. The study of the decoupling between CO 2 emissions and gross domestic product (GDP) and the drivers of CO 2 emissions in cities facilitates the reduction of CO 2 emissions to safeguard the development of the economy. This paper first calculates the CO 2 emissions in Tianjin, China, from 2005 to 2022, then uses the Tapio decoupling index to quantify the decoupling status, and, finally, explores the energy-CO 2 -emission drivers through the Logarithmic Mean Divisia Index (LMDI) model. The findings indicate that (1) the decrease in CO 2 emissions from industrial products and transport is the main reason for the decline. (2) During the period under investigation, the predominant condition observed was a state of weak decoupling. (3) Given the economic-output effect is the primary and substantial driver of energy CO 2 emissions, it is essential to harmonize the interplay between economic-development approach and CO 2 emissions to foster sustainable development in Tianjin. The industrial structure plays the most critical role in hindering the reduction of CO 2 emissions; therefore, optimizing industrial structure can help achieve carbon reduction and control targets. These findings enrich the study of CO 2 emission factors and can also interest urban policymakers.

Suggested Citation

  • Fengmei Yang & Qiuli Lv, 2024. "Analysis of Energy-Related-CO 2 -Emission Decoupling from Economic Expansion and CO 2 Drivers: The Tianjin Experience in China," Sustainability, MDPI, vol. 16(22), pages 1-18, November.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:22:p:9881-:d:1519695
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    References listed on IDEAS

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