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GHG emission pathways until 2300 for the 1.5 °C temperature rise target and the mitigation costs achieving the pathways

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Abstract

The Paris Agreement of the 21st Conference of the Parties of the United Nations Framework Convention on Climate Change refers to the 1.5 °C target as well as the 2 °C target, and it is important to estimate the emission pathways and mitigation measures for the 1.5 °C target for the discussions on the target. The possible emission pathways vary widely because of the uncertainties involved. We assumed three kinds of temperature trajectories for meeting below 1.5 °C compared with the pre-industrial level, and three numbers for the climate sensitivity. The first trajectory remains below 1.5 °C all the time until 2300, the second overshoots but returns to below 1.5 °C by 2100, and the third overshoots but returns to below 1.5 °C by 2300. There are large differences in terms of 2030 emissions between the estimate from the submitted Nationally Determined Contributions (NDCs) and any of assessed emission pathways involving climate sensitivity of 3.0 °C or higher, and high emission reduction costs were estimated, even for 2030. With climate sensitivity of 2.5 °C, only the third trajectory exhibits consistent emissions in 2030 with the NDCs. However, this case also appears very difficult to achieve, requiring enormous amounts of negative emissions after the middle of this century toward 2300. A climate mitigation strategy aiming for the 1.5 °C target will be debatable, because we face serious difficulties in near- or/and long-term for all the possible emission pathways, and therefore, we should rather focus on actual emission reduction activities than on the 1.5 °C target with poor feasibility.

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References

  • Akimoto K, Sano F, Homma T, Oda J, Nagashima M, Kii M (2010) Estimates of GHG emission reduction potential by country, sector, and cost. Energy Policy 38(7):3384–3393

    Article  Google Scholar 

  • Akimoto K, Homma T, Sano F, Nagashima M, Tokushige K, Tomoda T (2014) Assessment of the emission reduction target of halving CO2 emissions by 2050: macro-factors analysis and model analysis under newly developed socio-economic scenarios. Energy Strategy Reviews 2(3–4):246–256

    Article  Google Scholar 

  • Hayashi A, Akimoto K, Sano F, Tomoda T (2015) Evaluation of global energy crop production potential up to 2100 under socioeconomic development and climate change scenarios. J Jpn Inst Energy 94(6):548–554

    Article  Google Scholar 

  • Hellegatte S et al (2016) Mapping the climate change challenge. Nat Clim Chang 6:663–668

    Article  Google Scholar 

  • Houghton RA, Byers B, Nassikas AA (2015) A role for tropical forests in stabilizing atmospheric CO2. Nat Clim Chang 5:1022–1023

    Article  Google Scholar 

  • IPCC (2001) Climate change 2001: the scientific basis. Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press

  • IPCC (2007) Climate change 2007: the scientific basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press

  • IPCC (2013) Climate change 2013: the physical science basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press

  • IPCC (2014a) Climate change 2014: mitigation of climate change contribution of working group III to the fifth assessment report of the intergovernmental panel on climate change. Cambridge University Press

  • IPCC (2014b) Climate change 2014: synthesis report

  • Kaya Y, Yamaguchi M, Akimoto K (2015) The uncertainty of climate sensitivity and its implication for the. Paris Negot Sustain Sci 11(3):515–518

    Article  Google Scholar 

  • Knutti R, Rogelji J, Sedláček J, Fischer EM (2016) A scientific critique of the two-degree climate change target. Nat Geosci 9:13–18

    Article  Google Scholar 

  • Luderer G, Pietzcker RC, Bertram C, Kriegler E, Meinshausen M, Edenhofer O (2013) Economic mitigation challenges: how further delay closes the door for achieving climate targets. Environ Res Lett 8(3):034033

  • Meinshausen M, Raper SCB, Wigley TML (2011a) Emulating coupled atmosphere-ocean and carbon cycle models with a simpler model, MAGICC6–part 1: model description and calibration. Atmos Chem Phys 11:1417–1456

    Article  Google Scholar 

  • Meinshausen M et al (2011b) The RCP greenhouse gas concentrations and their extensions from 1765 to 2300. Clim Chang 109:213–241

    Article  Google Scholar 

  • Ranger N, Gohar LK, Lowe JA, Raper SCB, Bowen A, Ward RE (2012) Is it possible to limit global warming to no more than 1.5 C? Clim Chang 111:973–981

    Article  Google Scholar 

  • RITE (2015) RITE GHG Mitigation Assessment Model http://www.rite.or.jp/system/global-warming-ouyou/download-data/RITE_GHGMitigationAssessmentModel_20150130.pdf

  • Rogelj J, Meinshausen M, Knutti R (2012) Global warming under old and new scenarios using IPCC climate sensitivity range estimates. Nat Clim Chang 2:248–253

    Article  Google Scholar 

  • Rogelj J, Meinshausen M, Sedlacek J, Knutti R (2014) Implications of potentially lower climate sensitivity on climate projections and policy. Environ Res Lett 9:031003. https://doi.org/10.1088/1748-9326/9/3/031003

    Article  Google Scholar 

  • Rogelj J, Luderer G, Pietzcker RC, Kriegler E, Schaeffer M, Krey V, Riahi K (2015a) Energy system transformations for limiting end-of-century warming to below 1.5 °C. Nat Clim Chang 5:519–527

    Article  Google Scholar 

  • Rogelj J, Schaeffer M, Meinshausen M, Knutti R, Alcamo J, Riahi K, Hare W (2015b) Zero emission targets as long-term global goals for climate protection. Environ Res Lett 10(10):105007

  • Sanderson BM, O’Neill BC, Tebaldi C (2016) What would it take to achieve the Paris temperature targets? Geophys Res Lett 43(13):7133–7142

    Article  Google Scholar 

  • Schaeffer M, Gohar L, Kriegler L, Lowe J, Riahi K, van Vuuren D (2015) Mid- and long-term climate projections for fragmented and delayed-action scenarios. Technol Forecast Soc Chang 90:257–268

    Article  Google Scholar 

  • Schleussner C-F, Rogelj J, Schaeffer M, Lissner T, Licker R, Fischer EM, Knutti R, Levermann A, Frieler K, Hare W (2016) Science and policy characteristics of the Paris Agreement temperature goal. Nat Clim Chang 6:827–835

    Article  Google Scholar 

  • Smith P et al (2015) Biophysical and economic limits to negative CO2 emissions. Nat Clim Chang. https://doi.org/10.1038/nclimate2870

  • Su X, Takahashi K, Fujimori S, Hasegawa T, Tanaka K, Kato E, Shiogama H, Masui T, Emori S (2017) Emission pathways to achieve 2.0 °C and 1.5 °C climate targets. Earth’s Future. https://doi.org/10.1002/2016EF000492

  • Tol R, Yohe GW (2006) Of dangerous climate change and dangerous emission reduction. In: Schellnhuber HJ et al. (eds) Avoiding Dangerous Climate Change. Cambridge University Press, Cambridge, pp 291–298

  • UNFCCC (2015) Adoption of the Paris Agreement https://unfccc.int/resource/docs/2015/cop21/eng/l09r01.pdf

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Correspondence to Keigo Akimoto.

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Akimoto, K., Sano, F. & Tomoda, T. GHG emission pathways until 2300 for the 1.5 °C temperature rise target and the mitigation costs achieving the pathways. Mitig Adapt Strateg Glob Change 23, 839–852 (2018). https://doi.org/10.1007/s11027-017-9762-z

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  • DOI: https://doi.org/10.1007/s11027-017-9762-z

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