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Global Warming of 1.5 °C
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Global Warming of 1.5 °C

Summary for Policymakers

Intergovernmental Panel on Climate Change
IPCC, 2018
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8

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Recommendation

The window of opportunity for preventing catastrophic climate change is narrowing fast, warns a newly released special report by the United Nations Intergovernmental Panel on Climate Change. The report lays out stark differences between a 1.5°C temperature increase, which the world may reach by as early as 2030, and the 2°C limit set under the Paris Climate Accord. The authors believe that reaching the more ambitious 1.5°C target is feasible but will require urgent and far-reaching measures at the international, national, and sub-national levels.

Take-Aways

  • Average global temperature increase as a result of human activities will hit 1.5°C sometime between 2030 and 2052.
  • Limiting warming to 1.5°C – as opposed to 2°C – will decisively reduce the risk of catastrophic consequences for humans and the environment.
  • To keep global warming at 1.5°C, states must reduce net global carbon emissions by 45% of 2010 levels by 2030 and reduce them to zero by mid-century.

About the Author

The Intergovernmental Panel on Climate Change (IPCC) is the international body tasked with assessing the science relating to climate change.

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