> This is also the tragedy of the commons. If I emit less, others will feel they can emit more. I refuse to be "the sucker" that loses this game theory problem.

The whole point in the tragedy of the commons is that if everyone follows their own self interest (as you are doing) then everyone loses. That is why it is called a tragedy.

Saying you are going to avoid losing by taking what you want completely misunderstands what the problem is.