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Decomposing drivers of air pollutant emissions in China: A hybrid LMDI and Geographically Weighted Regression approach

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  • Bo Zhang
  • Yijing Liang

Abstract

Air pollution control is an urgent problem in the field of environment, and it is crucial to accurately identify emission driving factors and collaborative emission reduction paths. In order to construct and analyze the driving mechanism of atmospheric pollutant emissions and explore the potential for regional collaborative emission reduction, an innovative three-stage progressive analysis framework was developed by combining Logarithmic Mean Divisia Index (LMDI) decomposition and Geographically Weighted Regression (GWR), which includes factor decomposition, spatial modeling, and collaborative optimization. Through empirical analysis, it was found that the energy intensity effect in Tangshan city reduces emissions by an average of −14.834 million tons per year, becoming the core driving force. The synergistic emission reduction ratio of SO2-PM2.5 in the Beijing Tianjin Hebei region reached 1: 0.38, with an average annual emission reduction of 297000 tons and a regional synergy index of 0.85 (p

Suggested Citation

  • Bo Zhang & Yijing Liang, 2025. "Decomposing drivers of air pollutant emissions in China: A hybrid LMDI and Geographically Weighted Regression approach," PLOS ONE, Public Library of Science, vol. 20(10), pages 1-18, October.
    • Handle: RePEc:plo:pone00:0333898
    DOI: 10.1371/journal.pone.0333898
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