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Comparison of global mitigation potentials at different costsThe IPCC results use different baseline emissions to calculate the range of mitigation potentials. The top panel reports the full set of results, and the bottom panel reports only the mitigation potentials with costs >$0 per tonne of CO2 equivalent (tCO2-eq). USD reported in 2020 dollars. See supplementary materials.1201_PolicyForum_18286058.indd 100111/22/23 2:52 PM

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Comparison of global mitigation potentials at different costsThe IPCC results use different baseline emissions to calculate the range of mitigation potentials. The top panel reports the full set of results, and the bottom panel reports only the mitigation potentials with costs >$0 per tonne of CO2 equivalent (tCO2-eq). USD reported in 2020 dollars. See supplementary materials.1201_PolicyForum_18286058.indd 100111/22/23 2:52 PM
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Gernot Wagner (gwagner@fediscience.org)'s status on Wednesday, 06-Dec-2023 02:10:47 JST Gernot Wagner

My latest just out today in @sciencemagazine: "The costs of “costless” climate mitigation," joint with Matt Kotchen & James Rising.
IPCC, McKinsey, energy-systems models & climate-economic ones have quite a bit of disagreement around what it costs to cut emissions.
The biggest disagreement: how much of it is free, and what does "free" mean.
Or more to the point, what does it take to get the free stuff actually done. (Hint: It takes policy.)
https://www.science.org/doi/10.1126/science.adj2453
#climate #economics

In conversation about a year ago from fediscience.org permalink