Co-benefits of subnationally differentiated carbon pricing policies in China: Alleviation of heavy PM_(2.5) pollution and improvement in environmental equity

Zhang Wen-Wen; Zhao Bin; Ding Dian; Sharp Basil; Gu Yu; Xu Shi-Chun; Xing Jia; Wang Shu-Xiao; Liou Kuo-Nan; Rao Lan-Lan

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Co-benefits of subnationally differentiated carbon pricing policies in China: Alleviation of heavy PM_(2.5) pollution and improvement in environmental equity

机译：中国差异化碳定价政策的共同利益：减轻重物（2.5）污染和环境股权的改善

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Carbon policies differentiated according to regional disparities have been recognized and recommended. However, the air quality co-benefits of differentiated policies remain unclear. Here we combine a multi-regional dynamic computable general equilibrium (CGE) model and an extend response surface model (ERSM) to investigate the impact of nationally uniform and subnationally differentiated carbon pricing policies on fine particulate matter (PM2.5) concentrations in China. All policies examined lead to the same accumulated national CO2 emissions (2020-2050), with the 2030 emissions attaining China's national abatement target. We find that, when subnational policies differentiated according to provincial PM2.5 concentrations are implemented, the higher-than-average carbon price over more polluted provinces results in twice as much reduction in CO2 and air pollutant emissions in 2050 as the national policy. As a result, the subnational policies cause larger PM2.5 concentration reductions in these provinces (9%-18%) than the national policy (7%-11%). Also, the subnational policies eliminate high PM2.5 exposure of over 45 mu g/m(3) which 12% people suffer from under the national policy. The subnational policies substantially reduce regional disparity in PM2.5 pollution and hence improve environmental equity. The results suggest that subnationally differentiated carbon policies are a promising instrument to mitigate severe pollution and promote environmental equity.

机译：根据区域差异差异化的碳政策得到了认可和建议。但是，差异化政策的空气质量共同效益尚不清楚。在这里，我们将多区域动态可计算一般均衡（CGE）模型和延伸响应表面模型（ERSM）结合起来，调查国家均匀和结构碳定价政策对中国细颗粒物质（PM2.5）浓度的影响。审查的所有政策都会导致相同累计的国家二氧化碳排放（2020-2050），2030年排放量达到中国国家减排目标。我们发现，当实施根据省级PM2.5浓度的区域政策时，超过平均平均污染省份的碳价格导致2050年的二氧化碳和空气污染物排放量减少两倍。因此，该地方政策导致这些省份的PM2.5浓度较大（9％-18％）（9％-18％）（7％-11％）。此外，区域政策消除了超过45亩的高PM2.5暴露，12％的人在国家政策下遭受了12％的人。 “地方政治政策”在PM2.5污染下大大降低了区域差异，从而提高了环境股权。结果表明，北面差异化的碳政策是一种有望的工具，可以减轻严重的污染和促进环境公平。

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来源
《Energy Policy》 |2021年第2期|112060.1-112060.8|共8页
作者
Zhang Wen-Wen; Zhao Bin; Ding Dian; Sharp Basil; Gu Yu; Xu Shi-Chun; Xing Jia; Wang Shu-Xiao; Liou Kuo-Nan; Rao Lan-Lan;
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作者单位

Univ Auckland Energy Ctr Auckland 1010 New Zealand|Univ Calif Los Angeles Joint Inst Reg Earth Syst Sci & Engn Los Angeles CA 90095 USA|Univ Calif Los Angeles Dept Atmospher & Ocean Sci Los Angeles CA 90095 USA;

Univ Calif Los Angeles Joint Inst Reg Earth Syst Sci & Engn Los Angeles CA 90095 USA|Univ Calif Los Angeles Dept Atmospher & Ocean Sci Los Angeles CA 90095 USA|Pacific Northwest Natl Lab Richland WA 99352 USA;

Tsinghua Univ Sch Environm Beijing 100084 Peoples R China|Tsinghua Univ State Key Joint Lab Environm Simulat & Pollut Con Beijing 100084 Peoples R China;

Univ Auckland Energy Ctr Auckland 1010 New Zealand;

Univ Calif Los Angeles Joint Inst Reg Earth Syst Sci & Engn Los Angeles CA 90095 USA|Univ Calif Los Angeles Dept Atmospher & Ocean Sci Los Angeles CA 90095 USA|Univ California Los Angeles Inst Technol Adv Suzhou Ind Pk UCLA ITA SIP Suzhou 215000 Peoples R China;

China Univ Min & Technol Management Sch Xuzhou 221116 Jiangsu Peoples R China;

Tsinghua Univ Sch Environm Beijing 100084 Peoples R China|Tsinghua Univ State Key Joint Lab Environm Simulat & Pollut Con Beijing 100084 Peoples R China;

Tsinghua Univ Sch Environm Beijing 100084 Peoples R China|Tsinghua Univ State Key Joint Lab Environm Simulat & Pollut Con Beijing 100084 Peoples R China;

Univ Calif Los Angeles Joint Inst Reg Earth Syst Sci & Engn Los Angeles CA 90095 USA|Univ Calif Los Angeles Dept Atmospher & Ocean Sci Los Angeles CA 90095 USA;

German Aerosp Ctr DLR Remote Sensing Technol Inst IMF D-82234 Wessling Germany;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Differentiated carbon policy; Co-benefits; PM2.5; Environmental equity; Multi-regional CGE model;

机译：差异化的碳政策;共同福利;PM2.5;环境公平;多区域CGE模型;

Co-benefits of subnationally differentiated carbon pricing policies in China: Alleviation of heavy PM_(2.5) pollution and improvement in environmental equity

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