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首页> 外文期刊>Environmental Science & Technology >Health Benefits of Emission Reduction under 1.5 °C Pathways Far Outweigh Climate-Related Variations in China
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Health Benefits of Emission Reduction under 1.5 °C Pathways Far Outweigh Climate-Related Variations in China

机译：减少减排的健康益处在1.5°C路径下远远超过了中国的气候相关变化

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摘要

The 1.5 °C pathways initially promoted by the challenges presented by climate change could bring substantial air quality-related benefits. However, since there is a lack of comprehensive assessment on emissions of air pollutants, meteorology, air quality, and heatwave occurrences under different climate goals, how significant the clean air cobenefits compared with the direct climate-related impact is uncertain. In this study, we assess the cobenefits of 1.5 °C pathways for air quality in China by linking multiple shared socioeconomic pathways, ensembling simulations of regional climate-air quality dynamic downscaling and an air pollution and climate-related health assessment model, and compare different kinds of benefits: the health benefits from direct slowing climate (reduced heatwaves) versus the health cobenefits from air quality improvement (the improved air quality from reduced air pollutants versus meteorological changes). The benefit of reduced air pollution emissions associated with sustainable development under 1.5 °C pathways dominated the overall impact, which could avoid 1589000 PM_(2.5)-related and 526000 O_3-related deaths in 2050. Correspondingly, the impact of changed meteorology on air quality would avoid additional 8000 PM_(2.5)-related deaths in 2050 under 1.5 °C pathways yet would lead to 22000 O_3-related deaths. Also, the heatwave-related deaths could be avoided by 7000. The substantial anthropogenic emission reduction cobenefits of 1.5 °C pathways in improving air quality significantly exceed the direct climate (heatwave-related) benefits and completely offset the impact of meteorological changes' impact on air pollution under climate change.
机译：最初受气候变化呈现的挑战促进的1.5°C途径可以带来大量空气质量相关的益处。然而，由于在不同气候目标下缺乏对空气污染物，气象，空气质量和热浪发生的综合评估，因此与直接与气候相关的影响相比，清洁空气Cobenefits有多重要。在这项研究中，通过将多个共享的社会经济途径联系起来，在中国的空气质量，集合模拟的区域气候 - 空气质量动态缩小和空气污染和气候相关的健康评估模型进行了评估了1.5°C途径的Cobenefits。比较各种福利：气候直接放缓（减少热浪）的健康益处与空气质量改善的健康卵烯（降低的空气污染物与气象变化的改善的空气质量）。减少与可持续发展的空气污染排放减少1.5°C途径占据了整体影响，可以避免2050年的1589000 PM_（2.5）和526000 o_3相关死亡。相应地，变化气象的影响对空气质量将避免在1.5°C途径下的2050年额外的8000 pm_（2.5）的死亡，但会导致22000 o_3相关的死亡。此外，可以避免与热带相关的死亡7000.提高空气质量的大规模人为排放减少钴卵烯型为1.5°C途径显着超过直接气候（与热浪相关）的益处，完全抵消气象变化的影响气候变化下的空气污染。

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  • 来源
    《Environmental Science & Technology》 |2021年第16期|10957-10966|共10页
  • 作者

    Shuchang Liu; Jia Xing; Shuxiao Wang; Dian Ding; Yuying Cui; Jiming Hao;

  • 作者单位

    State Key Joint Laboratory of Environmental Simulation and Pollution Control School of Environment Tsinghua University Beijing 100084 China;

    State Key Joint Laboratory of Environmental Simulation and Pollution Control School of Environment Tsinghua University Beijing 100084 China State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex Beijing 100084 China;

    State Key Joint Laboratory of Environmental Simulation and Pollution Control School of Environment Tsinghua University Beijing 100084 China State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex Beijing 100084 China;

    State Key Joint Laboratory of Environmental Simulation and Pollution Control School of Environment Tsinghua University Beijing 100084 China;

    State Key Joint Laboratory of Environmental Simulation and Pollution Control School of Environment Tsinghua University Beijing 100084 China;

    State Key Joint Laboratory of Environmental Simulation and Pollution Control School of Environment Tsinghua University Beijing 100084 China State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex Beijing 100084 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    climate change; 1.5°C pathways; air pollution; human health;

    机译：气候变化;1.5°C途径;空气污染;人类健康;

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