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Jul 3, 2021 · 1:02 PM UTC

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Replying to @IPBES
"the likely ECS range is 2.6C to 4.1C, with a best estimate of slightly above 3C:" carbonbrief.org/guest-post-w… CO2 concentrations ~420 ppm, halfway 280-560 ppm. The ECS must imply we are close to/at +1.5C warming. With other GHG's (CH4, N2O, ): CO2eq=504 ppm: gml.noaa.gov/aggi/aggi.html