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标题：RCP8.5 tracks cumulative CO2 emissions
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作者：Christopher R. Schwalm ; Spencer Glendon ; Philip B. Duffy 等
期刊名称：Proceedings of the National Academy of Sciences
印刷版ISSN：0027-8424
电子版ISSN：1091-6490
出版年度：2020
卷号：117
期号：33
页码：19656-19657
DOI：10.1073/pnas.2007117117
出版社：The National Academy of Sciences of the United States of America
摘要：Climate simulation-based scenarios are routinely used to characterize a range of plausible climate futures. Despite some recent progress on bending the emissions curve, RCP8.5, the most aggressive scenario in assumed fossil fuel use for global climate models, will continue to serve as a useful tool for quantifying physical climate risk, especially over near- to midterm policy-relevant time horizons. Not only are the emissions consistent with RCP8.5 in close agreement with historical total cumulative CO 2 emissions (within 1%), but RCP8.5 is also the best match out to midcentury under current and stated policies with still highly plausible levels of CO 2 emissions in 2100.
关键词：climate change ; business as usual ; CO 2 emissions