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Effects of global climate mitigation on regional air quality and health

Author

Listed:
  • Xinyuan Huang

    (The Pennsylvania State University)

  • Vivek Srikrishnan

    (Cornell University)

  • Jonathan Lamontagne

    (Tufts University)

  • Klaus Keller

    (Dartmouth College)

  • Wei Peng

    (The Pennsylvania State University
    The Pennsylvania State University)

Abstract

Climate mitigation can bring air quality and health co-benefits. How these health impacts might be distributed across countries remains unclear. Here we use a coupled climate–energy–health model to assess the country-varying health effects of a global carbon price across nearly 30,000 future states of the world (SOWs). As a carbon price lowers fossil fuel use, our analysis suggests consistent reductions in ambient fine particulate matter (PM2.5) levels and associated mortality risks in countries that currently suffer most from air pollution. For a few less-polluted countries, however, a carbon price can increase the mortality risks under some of the considered SOWs due to emissions increases from bioenergy use and land-use changes. These potential health co-harms are largely driven in our model by the scale and method of deforestation. A robust and quantitative understanding of these distributional outcomes requires improved representations of relevant deep uncertainties, country-specific characteristics and cross-sector interactions.

Suggested Citation

  • Xinyuan Huang & Vivek Srikrishnan & Jonathan Lamontagne & Klaus Keller & Wei Peng, 2023. "Effects of global climate mitigation on regional air quality and health," Nature Sustainability, Nature, vol. 6(9), pages 1054-1066, September.
    • Handle: RePEc:nat:natsus:v:6:y:2023:i:9:d:10.1038_s41893-023-01133-5
    DOI: 10.1038/s41893-023-01133-5
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    Cited by:

    1. Peng Qi & Jianlei Lang & Xiaoqi Wang & Ying Zhou & Haoyun Qi & Shuiyuan Cheng, 2024. "The Coordinated Effects of CO 2 and Air Pollutant Emission Changes Induced by Inter-Provincial Trade in China," Sustainability, MDPI, vol. 16(4), pages 1-18, February.
    2. Wu, Huihuang & Zhou, Yuhan & Wang, Xian & Hu, Xiurong & Zhang, Shihui & Ren, Yang & Liu, Junfeng & Liu, Ying & Tao, Shu, 2024. "The climate, health, and economic outcomes across different carbon pricing policies to achieve China's climate goals," Applied Energy, Elsevier, vol. 368(C).
    3. Xin Zhao & Bryan K. Mignone & Marshall A. Wise & Haewon C. McJeon, 2024. "Trade-offs in land-based carbon removal measures under 1.5 °C and 2 °C futures," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    4. Huanbi Yue & Chunyang He & Qingxu Huang & Da Zhang & Peijun Shi & Enayat A. Moallemi & Fangjin Xu & Yang Yang & Xin Qi & Qun Ma & Brett A. Bryan, 2024. "Substantially reducing global PM2.5-related deaths under SDG3.9 requires better air pollution control and healthcare," Nature Communications, Nature, vol. 15(1), pages 1-13, December.

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