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首页> 外文期刊>Environmental Science & Technology: ES&T >Source contributions and drivers of physiological and psychophysical cobenefits from major air pollution control actions in North China
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Source contributions and drivers of physiological and psychophysical cobenefits from major air pollution control actions in North China

机译：Source contributions and drivers of physiological and psychophysical cobenefits from major air pollution control actions in North China

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摘要

North China is among the most polluted regions in the country, and human exposure to PM2.5 (particulate matter with an aerodynamic diameter less than 2.5 mu m) in this region has led to severe health consequences. The region has also benefited the most from emission reductions in recent years. It is of interest to understand to what extent and through which paths emissions from different sectors cause adverse health impacts. Here, we present the results of a full evaluation of the health benefits of emission control actions implemented in recent years based on segregated emission inventories with an emphasis on residential emissions. Two major causal paths, one from residential emissions to indoor air pollution, exposure, and premature deaths, and the other from nonresidential emissions to ambient air pollution and psychophysical impacts, were identified and quantified. From 2014 to 2019, both ambient (33) and indoor (39) PM2.5 decreased significantly, leading to decreasing trends in exposure (36), premature deaths (10), and psychophysical impacts (21). The Air Pollution Prevention and Control Action Plan, the Clean Heating Campaign, and spontaneous residential shifts to clean energy contributed significantly to these reductions when the effects of other drivers, such as population and economic growth, were excluded.

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