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this post was submitted on 05 Jan 2025
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Asklemmy
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Thanks for the thoughtful reply. I think the "shipyard guys" are trying to tackle 1 & 2 (as well as lessening the concrete on #3). Though, I would be surprised if your numbers for #3 are right... it seems odd to me that a ton of concrete would produce about a ton of CO2 (but maybe it's just one of those counter-intuitive things!). Thorium is interesting for #3/mining because it is produced (unrefined) by rare-earth mines (unlike special-purpose uranium mines). As for #4, I would argue simply that it is "better than coal" insomuch as we have neither found a good way of dealing with the fly-ash and soot-ash from coal power plants (yet they operate); i.e. ash ponds & coal ash impoundments.