City level CO2 and local air pollutants co-control performance evaluation: A case study of 113 key environmental protection cities in China
‘Co-control’, or synergistically reducing CO2 and local air pollutant emissions, is an important strategy for cities to achieve ‘low carbon’ and ‘blue sky’ simultaneously. However, there were few studies to evaluate and compare the level of co-control of CO2 and local air pollutants in cities yet. T...
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KeAi Communications Co., Ltd.
2022-02-01
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Online Access: | http://www.sciencedirect.com/science/article/pii/S1674927821001544 |
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author | Qing-Yong Zhang Bo-Feng Cai Mu-Dan Wang Jun-Xia Wang You-Kai Xing Guang-Xia Dong Zhen Zhang Xian-Qiang Mao |
author_facet | Qing-Yong Zhang Bo-Feng Cai Mu-Dan Wang Jun-Xia Wang You-Kai Xing Guang-Xia Dong Zhen Zhang Xian-Qiang Mao |
author_sort | Qing-Yong Zhang |
collection | DOAJ |
description | ‘Co-control’, or synergistically reducing CO2 and local air pollutant emissions, is an important strategy for cities to achieve ‘low carbon’ and ‘blue sky’ simultaneously. However, there were few studies to evaluate and compare the level of co-control of CO2 and local air pollutants in cities yet. The present study proposed qualitative and quantitative methods to evaluate the level of co-control of CO2 and three local air pollutant (SO2, NOx, and particulate matter PM) emissions in key environmental protection cities in China over two periods (2012–2015 and 2015–2018). Statistical analysis found that, though three local air pollutant emissions positively correlated with CO2 emission, no significantly positive correlation was found between local air pollutants emission reductions and CO2 emission reductions, indicating that co-control effects were poor in general. By using the co-control effect coordinate system, qualitative evaluation showed that less than half of the sample cities could achieve co-control of the total amount of CO2 and local air pollutants. By employing the indicator of emission reduction equivalence (EReq), quantitative evaluation showed that the co-control level of the sample cities improved in 2015–2018 compared with 2012–2015. Further regression analysis showed that, reducing coal consumption and economic development significantly enhanced the co-control performance of the observed cities. The present case study proved that the proposed methods for evaluation and comparison of the city co-control performance works well, and can be used in other countries and regions to promote global cities racing to carbon and local air pollutants co-control. |
first_indexed | 2024-04-11T18:19:58Z |
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institution | Directory Open Access Journal |
issn | 1674-9278 |
language | English |
last_indexed | 2024-04-11T18:19:58Z |
publishDate | 2022-02-01 |
publisher | KeAi Communications Co., Ltd. |
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series | Advances in Climate Change Research |
spelling | doaj.art-92cda84aaee044f783e3b7a60bdb24092022-12-22T04:09:47ZengKeAi Communications Co., Ltd.Advances in Climate Change Research1674-92782022-02-01131118130City level CO2 and local air pollutants co-control performance evaluation: A case study of 113 key environmental protection cities in ChinaQing-Yong Zhang0Bo-Feng Cai1Mu-Dan Wang2Jun-Xia Wang3You-Kai Xing4Guang-Xia Dong5Zhen Zhang6Xian-Qiang Mao7School of Environment, Beijing Normal University, Beijing 100875, ChinaCenter for Climate Change and Environmental Policy, Chinese Academy of Environmental Planning, Beijing 100012, ChinaSchool of Environment, Beijing Normal University, Beijing 100875, ChinaChina National Environmental Monitoring Centre, Beijing 100012, ChinaSchool of Environment, Beijing Normal University, Beijing 100875, China; Ministry of Transport, Transport Planning and Research Institute, Laboratory of Transport Pollution Control and Monitoring Technology, Beijing 100028, ChinaChina National Environmental Monitoring Centre, Beijing 100012, ChinaChina National Environmental Monitoring Centre, Beijing 100012, ChinaSchool of Environment, Beijing Normal University, Beijing 100875, China; Corresponding author.‘Co-control’, or synergistically reducing CO2 and local air pollutant emissions, is an important strategy for cities to achieve ‘low carbon’ and ‘blue sky’ simultaneously. However, there were few studies to evaluate and compare the level of co-control of CO2 and local air pollutants in cities yet. The present study proposed qualitative and quantitative methods to evaluate the level of co-control of CO2 and three local air pollutant (SO2, NOx, and particulate matter PM) emissions in key environmental protection cities in China over two periods (2012–2015 and 2015–2018). Statistical analysis found that, though three local air pollutant emissions positively correlated with CO2 emission, no significantly positive correlation was found between local air pollutants emission reductions and CO2 emission reductions, indicating that co-control effects were poor in general. By using the co-control effect coordinate system, qualitative evaluation showed that less than half of the sample cities could achieve co-control of the total amount of CO2 and local air pollutants. By employing the indicator of emission reduction equivalence (EReq), quantitative evaluation showed that the co-control level of the sample cities improved in 2015–2018 compared with 2012–2015. Further regression analysis showed that, reducing coal consumption and economic development significantly enhanced the co-control performance of the observed cities. The present case study proved that the proposed methods for evaluation and comparison of the city co-control performance works well, and can be used in other countries and regions to promote global cities racing to carbon and local air pollutants co-control.http://www.sciencedirect.com/science/article/pii/S1674927821001544Co-controlCO2 emission reductionLocal air pollutant emission reductionPerformance evaluationKey environmental protection cities |
spellingShingle | Qing-Yong Zhang Bo-Feng Cai Mu-Dan Wang Jun-Xia Wang You-Kai Xing Guang-Xia Dong Zhen Zhang Xian-Qiang Mao City level CO2 and local air pollutants co-control performance evaluation: A case study of 113 key environmental protection cities in China Advances in Climate Change Research Co-control CO2 emission reduction Local air pollutant emission reduction Performance evaluation Key environmental protection cities |
title | City level CO2 and local air pollutants co-control performance evaluation: A case study of 113 key environmental protection cities in China |
title_full | City level CO2 and local air pollutants co-control performance evaluation: A case study of 113 key environmental protection cities in China |
title_fullStr | City level CO2 and local air pollutants co-control performance evaluation: A case study of 113 key environmental protection cities in China |
title_full_unstemmed | City level CO2 and local air pollutants co-control performance evaluation: A case study of 113 key environmental protection cities in China |
title_short | City level CO2 and local air pollutants co-control performance evaluation: A case study of 113 key environmental protection cities in China |
title_sort | city level co2 and local air pollutants co control performance evaluation a case study of 113 key environmental protection cities in china |
topic | Co-control CO2 emission reduction Local air pollutant emission reduction Performance evaluation Key environmental protection cities |
url | http://www.sciencedirect.com/science/article/pii/S1674927821001544 |
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