This caused the death of millions when Genghis Kahn's men needed to immigrate somewhere due to climate change. We'll probably kill a similar percentage of various cities in the next big climate change.
The climate never has been constant and there is no "the official correct climate".
Trying to force people is likely to result in war which is likely to, overall, kill more people than letting it do its thing. We're running out of stuff to economically burn anyway. Its not like we're only 0.0001% burned up or even 10% burned up. Soon enough, talking about rationing something we no longer have access to burn will be quite pointless. Voluntarily saving some for later is likely to have a pretty decent economic impact. Social engineering by modification of tax law is likely to save more centimeters of ocean than any strictly environmental or behavioral regs.
Well, you force people exactly by the means you describe.
Then again I think that maybe it's a time for an "official climate" because it's the decentralized decision making that's screwing as over wrt/ anthropogenic climate change. Someone has to make those regulations and enforce them.