The economic and legal arguments are a joke. The only serious plan would involve 100x or even 1000x our investments in fission R&D and capacity build out (and fusion research too because fission needs to get us there).
Don’t see that happening until the situation getting dire enough and that’s going to be too late because capacity can’t come online fast enough and these are runaway global processes. It’s taken 200 years of really bad destruction and it would take much longer than that running reclamation going at an insane rate to try to undo that damage. Arguably we’re already in runaway territory - We didn’t go to 0 but it was the single largest global reduction in co2 and still one of the worst global warming events we’ve seen so far. Do not expect anything magical from net 0. At this point it’s massively negative 0. That 2c of warming is a dream at this point. I don’t know what the actual number is because the international reports are constantly getting rewritten by politicians because the scientists are just being “too alarming”. It’s a joke.
You patch the hole. Once you deal with that, then you can start bailing.