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

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,...

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Bibliographic Details
Published in:	Science (American Association for the Advancement of Science) 2019-09, Vol.365 (6459), p.1263-+
Main Authors:	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, Zhou, G
Format:	Article
Language:	eng
Subjects:	Agreements Agricultural economics Agricultural ecosystems Anthropogenic factors Case depth Climate Climate change Climate system Constraining Continental interfaces, environment Coral bleaching Coral reefs Cost benefit analysis Costs Environmental assessment Environmental changes Environmental risk Global climate Global temperatures Global warming Greenhouse effect Greenhouse gases Human influences Intergovernmental Panel on Climate Change International cooperation Organisms Poverty Risk levels Sciences of the Universe Social sciences Storms Surface temperature Sustainable development Temperature effects
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Summary:	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.
ISSN:	0036-8075 1095-9203