Great point and a very useful summary of results from climate models. However, unfortunately there is very little prospect of reducing GHG emissions to zero in a very short time barring some disaster shutting down the global economy! As we saw with the pandemic, despite the economic slowdown carbon emissions went down only a little and atmospheric concentrations not at all. The CarbonBrief article is a very useful review of the science and includes a reference to the warming that would result from reducing emissions of aerosols along with CO2: “the world would be around 0.4C warmer if CO2 and aerosol emissions go to zero, compared to zero CO2 emissions alone. In this scenario (red line), the world would likely exceed the 1.5C target, reaching around 1.75C by 2100.”

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Alan S. Miller is co-author of “Cut Super Climate Pollutants Now!”. His full bio and links to writing are available at alansmiller.com

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Alan S. Miller

Alan S. Miller

Alan S. Miller is co-author of “Cut Super Climate Pollutants Now!”. His full bio and links to writing are available at alansmiller.com

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