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

Author:

Hoegh-Guldberg O.12ORCID,Jacob D.3ORCID,Taylor M.4ORCID,Guillén Bolaños T.3ORCID,Bindi M.5ORCID,Brown S.67,Camilloni I. A.8ORCID,Diedhiou A.9ORCID,Djalante R.1011ORCID,Ebi K.12ORCID,Engelbrecht F.13,Guiot J.14ORCID,Hijioka Y.15ORCID,Mehrotra S.16ORCID,Hope C. W.17,Payne A. J.18ORCID,Pörtner H.-O.19ORCID,Seneviratne S. I.20ORCID,Thomas A.2122ORCID,Warren R.23ORCID,Zhou G.24ORCID

Affiliation:

1. Global Change Institute, University of Queensland, St. Lucia, QLD 4072, Australia.

2. School of Biological Sciences, University of Queensland, St. Lucia, QLD 4072, Australia.

3. Climate Service Center Germany (GERICS), Helmholtz-Zentrum Geesthacht, Hamburg, Germany.

4. Department of Physics, University of the West Indies, Kingston, Jamaica.

5. Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, 50144 Firenze, Italy.

6. Faculty of Engineering and Physical Sciences, University of Southampton, Boldrewood Innovation Campus, Southampton SO16 7QF, UK.

7. Department of Life and Environmental Sciences, Faculty of Science and Technology, Bournemouth University, Fern Barrow, Poole, Dorset BH12 5BB, UK.

8. Centro de Investigaciones del Mar y la Atmósfera (UBA-CONICET), UMI-IFAECI/CNRS, and Departamento de Ciencias de la Atmósfera y los Océanos (FCEN), University of Buenos Aires, Buenos Aires, Argentina.

9. Université Grenoble Alpes, French National Research Institute for Sustainable Development (IRD), CNRS, Grenoble INP, IGE, F-38000 Grenoble, France.

10. United Nations University–Institute for the Advanced Study of Sustainability (UNU-IAS), Tokyo, Japan.

11. Halu Oleo University, Kendari, South East Sulawesi, Indonesia.

12. Center for Health and the Global Environment, University of Washington, Seattle, WA, USA.

13. Global Change Institute, University of the Witwatersrand, Johannesburg 2193, South Africa.

14. Aix Marseille University, CNRS, IRD, INRA, Collège de France, CEREGE, Aix-en-Provence, France.

15. Center for Climate Change Adaptation, National Institute for Environmental Studies, Onogawa, Tsukuba, Ibaraki 305-8506, Japan.

16. World Bank, Washington, DC, USA.

17. Cambridge Judge Business School, University of Cambridge, Cambridge, UK.

18. University of Bristol, Bristol, UK.

19. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany.

20. Institute for Atmospheric and Climate Science, ETH Zurich, Zurich, Switzerland.

21. Climate Analytics, 10961 Berlin, Germany.

22. Environmental and Life Sciences, University of the Bahamas, Nassau 76905, Bahamas.

23. Tyndall Centre for Climate Change Research and School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ, UK.

24. State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081, China.

Abstract

The need to stabilize global climate Climate change will be the greatest threat to humanity and global ecosystems in the coming years, and there is a pressing need to understand and communicate the impacts of warming, across the perspectives of the natural and social sciences. Hoegh-Guldberg et al. review the climate change–impact literature, expanding on the recent report of the Intergovernmental Panel on Climate Change. They provide evidence of the impacts of warming at 1°, 1.5°, and 2°C—and higher—for the physical system, ecosystems, agriculture, and human livelihoods. The benefits of limiting climate change to no more than 1.5°C above preindustrial levels would outweigh the costs. Science , this issue p. eaaw6974

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference73 articles.

1. M. R. Allen et al . in Global Warming of 1.5°C: An IPCC Special Report on the Impacts of Global Warming of 1.5°C Above Pre-Industrial Levels and Related Global Greenhouse Gas Emission Pathways in the Context of Strengthening the Global Response to the Threat of Climate Change Sustainable Development and Efforts to Eradicate Poverty V. Masson-Delmotte et al . Eds. (World Meteorological Organization Geneva 2018) chapter 1.

2. UNFCCC “Decision 1/CP.21 Adoption of the Paris Agreement” (2015); https://unfccc.int/sites/default/files/resource/docs/2015/cop21/eng/10a01.pdf.

3. Intergovernmental Panel on Climate Change (IPCC) Global Warming of 1.5°C: An IPCC Special Report on the Impacts of Global Warming of 1.5°C Above Pre-Industrial Levels and Related Global Greenhouse Gas Emission Pathways in the Context of Strengthening the Global Response to the Threat of Climate Change Sustainable Development and Efforts to Eradicate Poverty V. Masson-Delmotte et al . Eds. (World Meteorological Organization Geneva 2018).

4. C. Hope The Social Cost of CO 2 from the Page09 Model. Economics Discussion Paper No. 2011-39 (2011). 10.2139/ssrn.1973863

5. O. Hoegh-Guldberg et al . in Global Warming of 1.5°C: An IPCC Special Report on the Impacts of Global Warming of 1.5°C Above Pre-Industrial Levels and Related Global Greenhouse Gas Emission Pathways in the Context of Strengthening the Global Response to the Threat of Climate Change Sustainable Development and Efforts to Eradicate Poverty V. Masson-Delmotte et al. Eds. (World Meteorological Organization Geneva 2018) chapter 3.

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