Intergovernmental Panel on Climate Change. "Climate Change 2022: Mitigation of Climate Change – Summary for Policymakers". April 04, 2022. https://report.ipcc.ch/...

Under 3.2 °C warming, 49% of insects, 44% of plants and 26% of vertebrates are at great risk of extinction.  Best-case scenarios lead to a median range of 2.9–3.2°C in 2100 for current policies and 2.4–2.9°C in 2100 for 2030 pledges.  If the targets were promptly and fully implemented, some estimate this could bring temperature increase down to 2–2.4°C by 2100.  Compared to the current policies, which are likely to lead to a temperature increase of 2.9–3.2 °C, the NDCs submitted to the Paris Agreement are estimated to lead to a temperature increase of 2.4–2.9°C.

Posted on 10/04/22

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