Pathways of China's PM;air quality 2015–2060 in the context of carbon neutrality

查看全文 作　　者：Jing [1]Cheng;Dan [1,2]Tong;Qiang [1]Zhang;Yang [1]Liu;Yu [3]Lei;Gang [3]Yan;Liu [1]Yan;Sha [4]Yu;Ryna Yiyun [5]Cui;Leon [5]Clarke;Guannan [6]Geng;Bo [7]Zheng;Xiaoye [8]Zhang;Steven [2]JDavis;Kebin [6]He

机构地区：[1]Ministry of Education Key Laboratory for Earth System Modelling,Department of Earth System Science,Tsinghua University,Beijing 100084,China;[2]Department of Earth System Science,University of California,Irvine,CA 92697,USA;[3]Chinese Academy of Environmental Planning,Beijing 100012,China;[4]Joint Global Change Research Institute,Pacific Northwest National Laboratory,University Research Court,College Park,MD 20742,USA;[5]Center for Global Sustainability,School of Public Policy,University of Maryland,College Park,MD 20742,USA;[6]State Key Joint Laboratory of Environment Simulation and Pollution Control,School of Environment,Tsinghua University,Beijing 100084,China;[7]Institute of Environment and Ecology,Tsinghua Shenzhen International Graduate School,Tsinghua University,Shenzhen 518055,China;[8]State Key Laboratory of Severe Weather&Key Laboratory of Atmospheric Chemistry of CMA,Chinese Academy of Meteorological Sciences,Beijing 100081,China

出　　处：《National Science Review》索引2021年第8卷第12期,共11页

基　　金：supported by the National Natural Science Foundation of China (41921005 and 41625020);the Energy Foundation (G-1806-28044 and G-2006-31595)。 摘　　要：Clean air policies in China have substantially reduced particulate matter(PM;) air pollution in recent years,primarily by curbing end-of-pipe emissions.However,reaching the level of the World Health Organization(WHO) guidelines may instead depend upon the air quality co-benefits of ambitious climate action.Here,we assess pathways of Chinese PM;air quality from 2015 to 2060 under a combination of scenarios that link global and Chinese climate mitigation pathways(i.e.global 2℃-and 1.5℃-pathways,National Determined Contributions(NDC) pledges and carbon neutrality goals) to local clean air policies.We find that China can achieve both its near-term climate goals(peak emissions) and PM;air quality annual standard(35 μg/m;) by 2030 by fulfilling its NDC pledges and continuing air pollution control policies.However,the benefits of end-of-pipe control reductions are mostly exhausted by 2030,and reducing PM;exposure of the majority of the Chinese population to below 10 μg/m;by 2060 will likely require more ambitious climate mitigation efforts such as China’ s carbon neutrality goals and global1.5℃-pathways.Our results thus highlight that China’s carbon neutrality goals will play a critical role in reducing air pollution exposure to the level of the WHO guidelines and protecting public health. 关键词：clean air policy carbon neutrality synergy pathway air quality standards WHO guidelines

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Pathways of China's PM;air quality 2015–2060 in the context of carbon neutrality

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