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UN Climate Action Campaign

Jul 15, 2021 Β· 10:12 AM UTC

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Replying to @IPBES @UN
"the likely ECS range is 2.6C to 4.1C, with a best estimate of slightly above 3C": carbonbrief.org/guest-post-w… CO2 concentration: ~420 ppm, halfway 280-560 ppm. ECS~3C implies we are close to/at 1.5C warming. When including CH4, N2O a.o., CO2eq = 504 ppm: gml.noaa.gov/aggi/aggi.html