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Earth System Dynamics An interactive open-access journal of the European Geosciences Union
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Volume 8, issue 3 | Copyright
Earth Syst. Dynam., 8, 577-616, 2017
https://doi.org/10.5194/esd-8-577-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 18 Jul 2017

Research article | 18 Jul 2017

Young people's burden: requirement of negative CO2 emissions

James Hansen et al.
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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer review completion
AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (06 Jan 2017) by James Dyke
AR by James Hansen on behalf of the Authors (06 Jan 2017)  Author's response
ED: Referee Nomination & Report Request started (10 Jan 2017) by James Dyke
RR by Anonymous Referee #1 (18 Jan 2017)
RR by Anonymous Referee #2 (05 Feb 2017)
RR by Anonymous Referee #3 (01 Mar 2017)
ED: Reconsider after major revisions (16 Mar 2017) by James Dyke
AR by James Hansen on behalf of the Authors (27 Apr 2017)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (09 May 2017) by James Dyke
RR by Anonymous Referee #2 (15 May 2017)
RR by Anonymous Referee #3 (17 May 2017)
ED: Publish subject to minor revisions (review by Editor) (18 May 2017) by James Dyke
AR by James Hansen on behalf of the Authors (29 May 2017)  Author's response    Manuscript
ED: Publish subject to technical corrections (08 Jun 2017) by James Dyke
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Short summary
Global temperature now exceeds +1.25 °C relative to 1880–1920, similar to warmth of the Eemian period. Keeping warming less than 1.5 °C or CO2 below 350 ppm now requires extraction of CO2 from the air. If rapid phaseout of fossil fuel emissions begins soon, most extraction can be via improved agricultural and forestry practices. In contrast, continued high emissions places a burden on young people of massive technological CO2 extraction with large risks, high costs and uncertain feasibility.
Global temperature now exceeds +1.25 °C relative to 1880–1920, similar to warmth of the Eemian...
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