Cost-effective control of air pollution in South Asia: modeling and policy applications

20232 6 108588 2 328718 document 108588 Purohit_2024_Environ._Res._Commun._6_125017.pdf application/pdf d817303002a0382b4f118193ae344de4 MD5 2858731 2025-01-08 08:16:58 https://pure.iiasa.ac.at/id/eprint/20232/1/Purohit_2024_Environ._Res._Commun._6_125017.pdf 20232 1 1 application/pdf text en public cc_by_4

Purohit_2024_Environ._Res._Commun._6_125017.pdf

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http://eprints.org/relation/isVersionOf https://pure.iiasa.ac.at/id/document/108588 http://eprints.org/relation/isVolatileVersionOf https://pure.iiasa.ac.at/id/document/108588 http://eprints.org/relation/issmallThumbnailVersionOf https://pure.iiasa.ac.at/id/document/108588 archive 353 disk0/00/02/02/32 2025-01-08 08:18:57 2025-01-08 08:18:57 2025-01-08 08:18:57 article show Purohit P. 1873 0000-0002-7265-6960 Kiesewetter G. 8472 0000-0002-9369-9812 Schöpp W. 1017 0000-0001-5990-423X Wagner F. 1789 0000-0003-3429-2374 Klimont Z. 1473 0000-0003-2630-198X Heyes C. 1540 0000-0001-5254-493X Gomez Sanabria A. 2092 0000-0002-2317-3946 Srivastava P. 2277 Borken-Kleefeld J. 1888 0000-0002-5465-8559 Amann M. Cost-effective control of air pollution in South Asia: modeling and policy applications pub ECE ECEPM S3 TISS Air pollution poses a critical environmental challenge to sustainability, environmental health and public well-being in the South Asia Region (SAR). This study identifies hotspots of fine particulate matter (PM2.5) across SAR, analyzing both concentration levels and exposure. Moreover, it aims at a comprehensive understanding of the various sources of air pollution in these critical areas and a systematic evaluation of the costs and benefits of relevant policy actions, utilizing the GAINS modeling framework. A wide variety of sources contribute to PM2.5 levels in ambient air, and effective air quality management requires a balance of measures across these sources. Current environmental policies, while effective in decoupling emissions from economic growth in SAR, are insufficient to achieve significant reductions in ambient PM2.5 concentrations. However, considerable scope exists for further measures beyond current policies that could help to bring the WHO Interim Targets (IT-1) for PM2.5 closer. Finally, it is shown that cost-optimal strategies for air quality management can achieve significant cost savings compared to conventional approaches; however, they require collaboration between states, regions and countries in South Asia. 2024-12-18 published Institute of Physics Publishing (IOP) doi:10.1088/2515-7620/ad9b74 239 154 273 321 159 123 107 3193 36 public Environmental Research Communications 6 12 e125017 TRUE 2515-7620 no info:eu-repo/semantics/article