Those with the power to change things have the power to suffer no negative effects.
With accelerating tech, their ability to opt out of global catastrophic risks also accelerates. Not so for the rest of us.
How about France? The Arab springs?
This is not about the elites. Forcing everyone into less consumption will basically lead to revolutions.
The only way out of this is technology. You can’t force people into more expensive food and living conditions. You have to fail forwards.
Unfortunately it seems like most environmentalists prefer complete collapse of society, and depopulation, to technological progress
Edit: and btw, how are you gonna stop China building coal plants? Diplomacy? Seems unlikely to work. Military prevention?