Discover how the formidable duo of climate change and air pollution is shaping the future of public health, with a deep dive into the projected impact on child mortality rates in South Asia due to ambient particulate matter.
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Interplay of climate Change and air pollution- projection of the under-5 mortality attributable to ambient particulate matter (PM2.5) in South Asia.
Musarrat Anita et al., Environ Res 2024
DOI: 10.1016/j.envres.2024.118292
What’s New: This study provides projections of under-5 mortality attributable to ambient PM2.5 pollution in South Asia under various climate change and air pollution mitigation scenarios. It uses a concentration-risk function linked to atmospheric modeling to estimate future mortality rates.
Importance: The research highlights the significant health risks posed by PM2.5 to children under 5 in South Asia, a region particularly vulnerable to air pollution and climate change. It quantifies the potential impact of different mitigation strategies on reducing mortality rates.
Contribution to Literature: The study extends the understanding of the relationship between PM2.5 pollution, climate change, and child mortality by providing projections under different future scenarios. It emphasizes the need for robust policy implementation to mitigate these risks.
Results Summary: In 2010-2014, approximately 306.8 thousand under-5 deaths in South Asia were attributable to PM2.5. By 2045-2049, deaths could increase by 36.6% under the Reference scenario or decrease by up to 81.2% under the most aggressive mitigation scenario (EoPmaxCCSBLD). The study suggests that current emission control strategies are insufficient and calls for stronger measures to reduce mortality.