I would like that to come true. Likely, climate change will cause 1-2B people to flee tropical areas causing government instability and strife. I can’t see how that will be collaborative.
Rationally, that is the thing to do.
All predictive models agree that temperatures are not going to decrease during the following decades. We should be organizing the largest human migration in history, and instead we are wasting time on comfort solutions that give people the illusion to do something while accomplishing exactly nothing.