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Synergistic effect of combating air pollutants and carbon emissions in the Yangtze River Delta of China: spatial and temporal divergence analysis and key influencing factors

  • Circular Economy and Sustainable Development
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Abstract

Synergizing the reduction of air pollutants and carbon emissions (APCE) has become a critical tactic alternative to address the issue of climate change. Taking the Yangtze River Delta (YRD) region of China as a case study, this paper explores the spatial and temporal distribution pattern of the coupling coordination degree (CCD) of combating APCE from 2011 to 2022, analyzes the dynamic change in CCD using the convergence test, and investigates the key factors affecting CCD via the Tobit regression model. The results show that (1) from 2011 to 2022, the air pollutants (AP) and CO2 emission (CE) in the YRD region decrease at the annual rate of 10.32% and 0.85%, respectively; (2) the CCD of reducing APCE in the YRD presents a W-shaped fluctuation before 2016 and then steps into a steady increase status after 2016; (3) the order of CCD in four provincial-level units by 2022 is Shanghai > Zhejiang > Jiangsu > Anhui. The proportion of cities where the CCD of reducing APCE enters the high-coordination period has reached 87.8%; and (4) the Tobit regression results affirm that economic growth, industrial structure, and green technological innovation exacerbate the CCD of combating APCE, while opening-up level mitigates it. The findings offer policymakers valuable insights into the importance of pursuing collaborative governance over APCE and ensuring sustainable development.

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Data availability

The data that support the findings of this study are openly available in China Statistical Year Book, Shanghai Statistical Year Book, Zhejiang Statistical Year Book, Jiangsu Statistical Year Book and Anhui Statistical Year Book.

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Funding

This work was supported by the Project of the National Social Science Foundation of China (No. 23BGL221).

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Fang Liu: conceptualization, methodology, formal analysis, writing—original draft, visualization, and funding acquisition. Anqi Li: data collection, visualization, and software. Yuwei Yang: data collection. Muhammad Bilal: writing—review, editing, and supervision.

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Correspondence to Muhammad Bilal.

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Liu, F., Li, A., Bilal, M. et al. Synergistic effect of combating air pollutants and carbon emissions in the Yangtze River Delta of China: spatial and temporal divergence analysis and key influencing factors. Environ Sci Pollut Res (2024). https://doi.org/10.1007/s11356-024-32197-1

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  • DOI: https://doi.org/10.1007/s11356-024-32197-1

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