Oh, yes, geoengineering, because nothing can go wrong …

Please read the classic book by Edward Tenner: Why Things Bite Back. Technology and the Revenge of Unintended Consequences, 1996 (oldie but goldie and must read for people who think technical solutions have no unintended (and irrevocable) consequences Mike eucalyptus trees in California, or the https://en.wikipedia.org/wiki/Cane_toad in Australia, among others.