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

Research output: Contribution to journalReview article

  • 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. Zhou
  • R Warren
Original languageEnglish
Article numbereaaw6974
Number of pages13
Issue number6459
DateAccepted/In press - 1 Aug 2019
DatePublished (current) - 20 Sep 2019


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.

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  • Full-text PDF (author’s accepted manuscript)

    Rights statement: This is the author accepted manuscript (AAM). The final published version (version of record) is available online via AAAS at 10.1126/science.aaw6974 . Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 5.08 MB, PDF document


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