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> If there is a rank of how easily humanity can destroy itself and make the earth uninhabitable for itself geoengineering is probably second only to thermonuclear war.

But emitting some sulfer oxides is not.

Geoengineering is a very broad term, yes there are things that are in the category of "geoengineering" that could make humans extinct, but none are proposed as a solution to global warming.




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