this post was submitted on 09 Jan 2025
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i'm sure every project is inherently risky just because we dont have models accurate enough to actually know how risky something is, but it does seem like a better idea to me than simulating massive volcanic eruptions with sulfur dioxide lol, which is what I normally see get brought up as the first option
as far as what i think is the best option, im not well informed but i remember stumbling upon this wikipedia article some months back https://en.wikipedia.org/wiki/Passive_daytime_radiative_cooling , ive never seen anyone mention it before though so i assume it's got some big drawbacks or something like that. but like this part:
seems very promising to me? i remember doing the math and even by the current (presumably higher) prices listed on wikipedia, it would only take a couple trillion of dollars or something like that? it was only like 2 or 3 years of the US defense budget iirc, although I suppose this doesnt account for labor costs