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Impacts of Global Solid Biofuel Stove Emissions on Ambient Air Quality and Human Health

机译:全球实心生物燃烧炉排放对环境空气质量和人类健康的影响

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Global solid biofuel stove emissions strongly impact air quality, climate change, and human health. However, investigations of the impacts of global solid biofuel stove emissions on human health associated with PM_(2.5)(particulate matter with aerodynamic diameter?≤2.5?μm) and ozone (O_(3)) are limited. Here, we quantify the impacts of global solid biofuel stove emissions on ambient PM_(2.5)and O_(3)air quality and the associated human health effects for the year 2010, using the Community Atmosphere Model coupled with Chemistry version 5.3. Annual mean surface PM_(2.5)concentrations from global solid biofuel stove emissions averaged over 2006–2010 are up to 23.1?μg?m~(?3), with large impacts found over China, India, sub‐Saharan Africa, and eastern and central Europe. For surface O_(3)impacts, we find that global solid biofuel stove emissions lead to increases in surface O_(3)concentrations by up to 5.7?ppbv for China, India, and sub‐Saharan Africa, and negligible impacts or reductions of up to 0.5?ppbv for the US, Europe, and parts of South America. Global solid biofuel stove emissions for the year 2010 contribute to 382,000 [95% confidence interval (95CI): 349,000–409,000] annual premature deaths associated with PM_(2.5)and O_(3)exposure, with the corresponding years of life lost as 8.10 million years (95CI: 7.38–8.70 million years). Our study highlights air quality and human health benefits of mitigating emissions from the global solid biofuel stove sector, especially over populous regions of low‐income and middle‐income countries, through promoting clean household energy programs for the residential energy supply. Plain Language Summary Ambient air pollutant emissions from global solid biofuel stove sector, including trace gases and aerosols, play a vital role in our surface air quality associated with particulate matter and ozone, which subsequently adversely impact human health. In this study, we employ a global chemistry‐climate model to simulate the effects of global solid biofuel stove emissions on ambient air quality and human health. Our study finds that global solid biofuel stove emissions contribute significantly to surface PM_(2.5)and ozone air quality over China, India, and sub‐Saharan Africa. In addition, annual total PM_(2.5)‐induced and ozone‐induced premature deaths of ~382,000 are attributable to the global solid biofuel stove emissions. Our study highlights the air quality and human health benefits by promoting clean household energy globally for the residential energy supply over low‐income and middle‐income countries, especially over those populous regions. Key Points Solid biofuel stove emissions contribute significantly to surface ambient air quality over China, India, and sub‐Saharan Africa Globally 382,000 annual premature deaths are attributable to ambient PM_(2.5)and ozone exposure from solid biofuel stove emissions Promoting clean household energy programs over low‐income and middle‐income countries to improve air quality and human health is recommended
机译:全球实心的生物燃烧炉排放强烈影响空气质量,气候变化和人类健康。然而,对全球固体生物燃烧炉排放对与PM_(2.5)相关的人体健康影响的调查(具有空气动力学直径Δ≤2.5Ωμm)和臭氧(O_(3))的颗粒状物质(O_(3))是有限的。在这里,我们使用与化学版5.3相结合的社区气氛模型来量化全球实心生物燃烧炉排放对环境PM_(2.5)和O_(3)空气质量和相关人体健康效果的影响。 2006 - 2010年的全球实心生物燃烧炉排放的年平均表面PM_(2.5)浓度高达23.1ΩΩm〜(?3),发现中国,印度,撒哈拉以南和东部和东部的大量影响欧洲中部。对于地面O_(3)影响,我们发现全球稳固的生物燃烧炉排放导致表面O_(3)浓度增加到5.7的浓度高达5.7?PPBV为中国,印度和撒哈拉以南非洲,并可忽略不计或减少美国,欧洲和南美零件的0.5?PPBV。 2010年全球扎实的生物燃烧炉排放有助于382,000 [95%置信区间(95CI):349,000-409,000]与PM_(2.5)和O_(3)曝光相关的年过早死亡,相应的人生损失为8.10万年(95ci:7.38-8.70万年)。我们的研究突出了全球实心生物燃烧炉部门的减轻排放的空气质量和人类健康益处,特别是通过促进住宅能源供应的清洁家庭能源计划,尤其是低收入和中等收入国家的人口众多的地区。普通语言摘要全球固体生物燃烧炉部门的环境空气污染物排放,包括痕量气体和气溶胶,在与颗粒物质和臭氧相关的表面空气质量中起着至关重要的作用,随后对人类健康产生不利影响。在这项研究中,我们采用了全球化学 - 气候模型来模拟全球实心生物燃烧炉排放对环境空气质量和人类健康的影响。我们的研究发现,全球扎实的生物燃烧炉排放对中国,印度和撒哈拉非洲的臭氧空气质量有显着贡献。此外,每年总PM_(2.5) - 诱导〜382,000的臭氧诱导的过早死亡归因于全球扎实的生物燃烧炉排放。我们的研究通过促进低收入和中等收入国家的住宅能源供应,促进全球清洁家庭能源,突出了空气质量和人类健康益处,特别是在那些人口众多的地区。主要的生物燃料炉排促进了中国,印度和亚撒撒哈拉以南非洲的地表环境空气质量,全球382,000岁的年度过早死亡可归因于环境PM_(2.5)和臭氧曝光,促进清洁家庭能源项目建议使用低收入和中等收入国家提高空气质量和人类健康

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