Changes in Emissions of Ozone-Depleting Substances from China Due to Implementation of the Montreal ProtocolClick to copy article linkArticle link copied!
- Xuekun Fang*Xuekun Fang*E-mail:[email protected]Center for Global Change Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United StatesState Key Joint Laboratory for Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, ChinaMore by Xuekun Fang
- A. R. Ravishankara*A. R. Ravishankara*E-mail: [email protected]Department of Chemistry and Department of Atmospheric Science, Colorado State University, Fort Collins, Colorado 80523, United StatesMore by A. R. Ravishankara
- Guus J. M. VeldersGuus J. M. VeldersNational Institute for Public Health and the Environment (RIVM), P.O. Box 1, 3720 BA Bilthoven, The NetherlandsInstitute for Marine and Atmospheric Research Utrecht (IMAU), Utrecht University, 3508 TC Utrecht, The NetherlandsMore by Guus J. M. Velders
- Mario J. MolinaMario J. MolinaDepartment of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United StatesMore by Mario J. Molina
- Shenshen SuShenshen SuElectric Power Planning & Engineering Institute, Beijing 100120, ChinaState Key Joint Laboratory for Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, ChinaMore by Shenshen Su
- Jianbo ZhangJianbo ZhangState Key Joint Laboratory for Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, ChinaMore by Jianbo Zhang
- Jianxin Hu*Jianxin Hu*E-mail: [email protected]State Key Joint Laboratory for Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, ChinaMore by Jianxin Hu
- Ronald G. PrinnRonald G. PrinnCenter for Global Change Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United StatesMore by Ronald G. Prinn
Abstract

The ozone layer depletion and its recovery, as well as the climate influence of ozone-depleting substances (ODSs) and their substitutes that influence climate, are of interest to both the scientific community and the public. Here we report on the emissions of ODSs and their substitute from China, which is currently the largest consumer (and emitter) of these substances. We provide, for the first time, comprehensive information on ODSs and replacement hydrofluorocarbon (HFC) emissions in China starting from 1980 based on reported production and usage. We also assess the impacts (and costs) of controls on ODS consumption and emissions on the ozone layer (in terms of CFC-11-equivalent) and climate (in CO2-equivalent). In addition, we show that while China’s future ODS emissions are likely to be defined as long as there is full compliance with the Montreal Protocol; its HFC emissions through 2050 are very uncertain. Our findings imply that HFC controls over the next decades that are more stringent than those under the Kigali Amendment to the Montreal Protocol would be beneficial in mitigating global climate change.
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