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The human imperative of stabilizing global climate change at 1.5°C

The human imperative of stabilizing global climate change at 1.5°C
The human imperative of stabilizing global climate change at 1.5°C
Global mean surface temperature is now 1.0°C higher than the pre-industrial period due to increasing atmospheric greenhouse gases. Significant changes to natural and human (managed) systems have already occurred emphasizing serious near-term risks. Here, we expand on the recent IPCC Special Report on global warming of 1.5°C as well as additional risks associated with dangerous and irreversible states at higher levels of warming, each having major implications for multiple geographies, climates and ecosystems. Limiting warming to 1.5°C rather than 2.0°C is very beneficial, maintaining significant proportions of systems such as Arctic summer sea ice, forests and coral reefs as well as having clear benefits for human health and economies. These conclusions are relevant for people everywhere, particularly in low- and middle-income countries, where climate related risks to livelihoods, health, food, water, and economic growth are escalating with major implications for the achievement of the United Nations Sustainable Development Goals.
0036-8075
Hoegh-Guldberg, O.
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Jacob, D.
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Taylor, M.
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Guillen Bolanos, T.
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Bindi, M.
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Brown, S.
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Camilloni, I.A.
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Diedhiou, A.
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Djalante, R.
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Ebi, K.
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Englebrecht, F.
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Guiot, J.
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Hijoka, Y.
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Mehrotra, S.
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Hope, C. W
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Payne, A.J.
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Pörtner, H.O.
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Seneviratne, S.I
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Thomas, A.
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Warren, R.
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Zhou, G.
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Hoegh-Guldberg, O.
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Jacob, D.
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Taylor, M.
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Guillen Bolanos, T.
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Bindi, M.
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Brown, S.
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Camilloni, I.A.
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Diedhiou, A.
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Djalante, R.
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Ebi, K.
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Englebrecht, F.
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Guiot, J.
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Hijoka, Y.
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Mehrotra, S.
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Hope, C. W
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Payne, A.J.
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Pörtner, H.O.
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Seneviratne, S.I
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Thomas, A.
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Warren, R.
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Zhou, G.
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Hoegh-Guldberg, O., Jacob, D., Taylor, M., Guillen Bolanos, T., Bindi, M., Brown, S., Camilloni, I.A., Diedhiou, A., Djalante, R., Ebi, K., Englebrecht, F., Guiot, J., Hijoka, Y., Mehrotra, S., Hope, C. W, Payne, A.J., Pörtner, H.O., Seneviratne, S.I, Thomas, A., Warren, R. and Zhou, G. (2019) The human imperative of stabilizing global climate change at 1.5°C. Science, 365 (6459), [eaaw6974]. (doi:10.1126/science.aaw6974).

Record type: Article

Abstract

Global mean surface temperature is now 1.0°C higher than the pre-industrial period due to increasing atmospheric greenhouse gases. Significant changes to natural and human (managed) systems have already occurred emphasizing serious near-term risks. Here, we expand on the recent IPCC Special Report on global warming of 1.5°C as well as additional risks associated with dangerous and irreversible states at higher levels of warming, each having major implications for multiple geographies, climates and ecosystems. Limiting warming to 1.5°C rather than 2.0°C is very beneficial, maintaining significant proportions of systems such as Arctic summer sea ice, forests and coral reefs as well as having clear benefits for human health and economies. These conclusions are relevant for people everywhere, particularly in low- and middle-income countries, where climate related risks to livelihoods, health, food, water, and economic growth are escalating with major implications for the achievement of the United Nations Sustainable Development Goals.

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aaw6974 Combined PDF v5 resubmitted - Accepted Manuscript
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Accepted/In Press date: 1 August 2019
Published date: 20 September 2019

Identifiers

Local EPrints ID: 433502
URI: http://eprints.soton.ac.uk/id/eprint/433502
ISSN: 0036-8075
PURE UUID: a04f5824-f1cf-4ead-b1fe-0d7672923c06
ORCID for S. Brown: ORCID iD orcid.org/0000-0003-1185-1962

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Date deposited: 23 Aug 2019 16:30
Last modified: 07 Oct 2020 05:10

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Contributors

Author: O. Hoegh-Guldberg
Author: D. Jacob
Author: M. Taylor
Author: T. Guillen Bolanos
Author: M. Bindi
Author: S. Brown ORCID iD
Author: I.A. Camilloni
Author: A. Diedhiou
Author: R. Djalante
Author: K. Ebi
Author: F. Englebrecht
Author: J. Guiot
Author: Y. Hijoka
Author: S. Mehrotra
Author: C. W Hope
Author: A.J. Payne
Author: H.O. Pörtner
Author: S.I Seneviratne
Author: A. Thomas
Author: R. Warren
Author: G. Zhou

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