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On the CCS thing, your article seems way overoptimistic about the prospects for major CO2 reductions from this technology. The economics stink right now (as you point out), and there are major questions about technological feasibility, as well as unintended consequences like leakages and earthquakes that could thwart any potential emissions reductions.

(see https://theyearsproject.com/ask-joe/carbon-capture-storage-role-can-play/).

Has there been any progress on any of the issues mentioned in the above "explainer" (which seems to be about 5 yrs old)?

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