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

O. Hoegh-Guldberg*, D. Jacob, M Taylor, T. Guillén Bolaños, M. Bindi, S Brown, I. A. Camilloni, A. Diedhiou, R. Djalante, K. Ebi, F. Engelbrecht, J. Guiot, Y. Hijioka, S. Mehrotra, C. W. Hope, A. J. Payne, H. O. Pörtner, S. I. Seneviratne, A Thomas, G. ZhouR Warren

*Corresponding author for this work

Research output: Contribution to journalReview article (Academic Journal)peer-review

78 Citations (Scopus)
243 Downloads (Pure)


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.

Original languageEnglish
Article numbereaaw6974
Number of pages13
Issue number6459
Publication statusPublished - 20 Sep 2019

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