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


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Hans.Poertner [ at ] awi.de

Abstract

Increased concentrations of atmospheric greenhouse gases have led to a global mean surface temperature 1.0°C higher than during the pre-industrial period. We expand on the recent IPCC Special Report on global warming of 1.5°C and review the additional risks associated with 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 would be required to maintain substantial proportions of ecosystems and would have clear benefits for human health and economies. These conclusions are relevant for people everywhere, particularly in low- and middle-income countries, where the escalation of climate-related risks may prevent the achievement of the United Nations Sustainable Development Goals. Copyright © 2019 The Authors,



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Peer-reviewed
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Published
Eprint ID
51515
DOI 10.1126/science.aaw6974

Cite as
Hoegh-Guldberg, O. , Jacob, D. , Taylor, M. , Guillén Bolaños, T. , Bindi, M. , Brown, S. , Camilloni, I. A. , Diedhiou, A. , Djalante, R. , Ebi, K. , Engelbrecht, F. , Guiot, J. , Hijioka, 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


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