OPEC has long been Saudi Arabia reducing output, and everyone else selling everything they can. They haven't had much power since the 1970s, but that they exist means they are a threat that if everyone else actually stuck to the agreement for a change. This is the common problem for cartels: everyone has inventive to cheat on the deals made. By selling a little more than your share you get more money, while because e…
As long as fossil fuels remain one of the cheapest easiest to scale ways to make power, there’s a similar incentive to cheat. If everyone else cuts emissions and you don’t, your margins are higher and you can undercut them. Global reductions require an all-cooperate scenario.
Developing nations have the strongest incentive to cheat since they need those margins to catch up.
Which is why I think little progress will be made until other sources are actually cheaper. Until then it’s beyond us politically. We can’t get all nations across the world to simultaneously cooperate at that scale.