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Jonathan Schofield
@urlyman@mastodon.social  ·  activity timestamp 3 weeks ago

“One implication of the increased growth rate of GHG forcing in the last 15 years is that the goal to keep global warming under 2°C is now implausible.”

PDF: http://www.columbia.edu/~jeh1/mailings/2025/ColorfulChart.21November2025.pdf

via @SusiArnott

#climateDiary

Header for ‘Warning! This “Colorful Chart” is Censored by IPCC’, 
21 November 2025, by James Hansen, Pushker Kharecha and Dylan Morgan. 

Shown is Fig. 1. Annual increase of climate forcing by greenhouse gases, a stacked area chart of the climate warming gases, O3, HGs, N2O, CH4 and CO2, from 1950 to 2024, with the projections for RCP scenarios extending to 2050.

In particular, the chart highlights the substantial gap between the trajectory of RCP2.6 and where climate forcing already is.
Header for ‘Warning! This “Colorful Chart” is Censored by IPCC’, 21 November 2025, by James Hansen, Pushker Kharecha and Dylan Morgan. Shown is Fig. 1. Annual increase of climate forcing by greenhouse gases, a stacked area chart of the climate warming gases, O3, HGs, N2O, CH4 and CO2, from 1950 to 2024, with the projections for RCP scenarios extending to 2050. In particular, the chart highlights the substantial gap between the trajectory of RCP2.6 and where climate forcing already is.
Header for ‘Warning! This “Colorful Chart” is Censored by IPCC’, 21 November 2025, by James Hansen, Pushker Kharecha and Dylan Morgan. Shown is Fig. 1. Annual increase of climate forcing by greenhouse gases, a stacked area chart of the climate warming gases, O3, HGs, N2O, CH4 and CO2, from 1950 to 2024, with the projections for RCP scenarios extending to 2050. In particular, the chart highlights the substantial gap between the trajectory of RCP2.6 and where climate forcing already is.
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