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Comment
. 2020 Nov 10;117(45):27791-27792.
doi: 10.1073/pnas.2017124117. Epub 2020 Oct 20.

RCP8.5 is a problematic scenario for near-term emissions

Affiliations
Comment

RCP8.5 is a problematic scenario for near-term emissions

Zeke Hausfather et al. Proc Natl Acad Sci U S A. .
No abstract available

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Conflict of interest statement

The authors declare no competing interest.

Figures

Fig. 1.
Fig. 1.
Data from ref. . The red bar shows historical fossil emissions (5), the blue bars show RCPs, and the black and gray bars show IEA (4) current policies (CPS) and stated policies (STPS) scenarios.
Fig. 2.
Fig. 2.
Historical LUC emissions (red line) with uncertainties (gray shading) (5), RCP (blue lines), and Schwalm et al. linear projection based on the 2005–2019 trend (dashed black line). The SSPs (gray lines) also mostly project future declines in LUC through 2050.

Comment in

Comment on

  • RCP8.5 tracks cumulative CO2 emissions.
    Schwalm CR, Glendon S, Duffy PB. Schwalm CR, et al. Proc Natl Acad Sci U S A. 2020 Aug 18;117(33):19656-19657. doi: 10.1073/pnas.2007117117. Epub 2020 Aug 3. Proc Natl Acad Sci U S A. 2020. PMID: 32747549 Free PMC article.

References

    1. Schwalm C. R., Glendon S., Duffy P. B., RCP8.5 tracks cumulative CO2 emissions. Proc. Natl. Acad. Sci. U.S.A. 117, 19656–19657 (2020). - PMC - PubMed
    1. Riahi K. et al., RCP 8.5—a scenario of comparatively high greenhouse gas emissions. Clim. Change 109, 33 (2011).
    1. Hausfather Z., Peters G. P., Emissions—the “business as usual” story is misleading. Nature 577, 618–620 (2020). - PubMed
    1. International Energy Agency , World Energy Outlook 2019, (International Energy Agency, 2019).
    1. Riahi K. et al., The Shared Socioeconomic Pathways and their energy, land use, and greenhouse gas emissions implications: An overview. Glob. Environ. Change 42, 153–168 (2017).

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