this post was submitted on 11 Sep 2023
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There is, of course, the possibility of geoengineering with sulfur dioxide. Sort of a nuclear winter without the nuclear. It's the same mechanism by which nuclear would and volcanoes do cause climate cooling. Not very safe but it may be in our emergency bag of tricks.
Wasn't there a proposal to do something similar by using ships to blast saltwater into the air? All the cloud coverage and reflected sunlight, none of the acid rain.
I think that's actually relatively low-risk to do as well (as far as experimental geoengineering goes). A significant portion of the warming in the North Atlantic has been attributed to lack of sulfur emissions due to changes in requirements for container ship fuels. Should be able to get a similar effect with just water with the effects being understood well in advance.
@spaduf @I_Has_A_Hat I'd be much more confident in this if ANY government decided to spend money on it. Most of them won't spend money on bike lanes!