Pretty sure volcano eruptions were responsible for at least 1 mass extinction, so I'm not sure what your point is. I also don't think your link really proves yo

Pretty sure volcano eruptions were responsible for at least 1 mass extinction, so I'm not sure what your point is. I also don't think your link really proves your point, and even that article admits that sulfur will likely harm the ozone (automatic nonstarter) - which is also not really reversible, per your claim.