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Preprints
https://doi.org/10.5194/egusphere-2023-2037
https://doi.org/10.5194/egusphere-2023-2037
19 Sep 2023
 | 19 Sep 2023

Significant human health co-benefits of African emissions mitigation

Christopher David Wells, Matthew Kasoar, Majid Ezzati, and Apostolos Voulgarakis

Abstract. Future African aerosol emissions, and therefore air pollution levels and health outcomes, are uncertain. Here, the range in the future impacts of African emissions in the Shared Socioeconomic Pathway (SSP) scenarios is studied, using the Earth System Model UKESM1 along with human health concentration-response functions. Using present-day demographics, annual deaths attributable to ambient particulate matter are estimated to be lower by 150,000 under stronger African aerosol mitigation by 2090, while those attributable to O3 are lower by 15,000. The particulate matter health benefits are realised predominantly within Africa, with the O3-driven benefits being more widespread – though still concentrated in Africa – due to the longer atmospheric lifetime of O3. These results demonstrate the important health co-benefits from future emissions mitigation in Africa.

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Journal article(s) based on this preprint

24 Jan 2024
Significant human health co-benefits of mitigating African emissions
Christopher D. Wells, Matthew Kasoar, Majid Ezzati, and Apostolos Voulgarakis
Atmos. Chem. Phys., 24, 1025–1039, https://doi.org/10.5194/acp-24-1025-2024,https://doi.org/10.5194/acp-24-1025-2024, 2024
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The requested preprint has a corresponding peer-reviewed final revised paper. You are encouraged to refer to the final revised version.

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Human-driven emissions of air pollutants, mostly caused by burning fossil fuels, impact both the...
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