The IPCC Sixth Assessment Report on Climate Change Impacts.

I The i Sixth Assessment Report (AR6) I of the Intergovernmental Panel on Climate Change (IPCC), the enormously detailed quadrennial literature review of climate research that is the Panel's principal output, is at an advanced stage of preparation, with the final Synthesis Report scheduled to be issued in September 2022. B I From Working Group I (pp. 14-15) i b : Compared to 1850-1900, global surface temperature averaged over 2081-2100 is very likely to be higher by 1.0°C to 1.8°C under the very low GHG emissions scenario considered (SSP1-1.9), by 2.1°C to 3.5°C in the intermediate GHG emissions scenario (SSP2-4.5) and by 3.3°C to 5.7°C under the very high GHG emissions scenario (SSP5-8.5). [Extracted from the article]