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.
A lot can go wrong, but a long is going wrong already. I think putting effort in trying to do it as safely as possible is more productive than trying to convince nations to become poorer voluntary. Alternative energy is important too, but so far it rather complements than replaces fossil fuel.
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.