Furthermore, if the solution has to be solved for the entire planet, it's in our interest to ensure poor nations play ball. We have limited options to do that w

Furthermore, if the solution has to be solved for the entire planet, it's in our interest to ensure poor nations play ball. We have limited options to do that while not forcefully invading/etc. Alternatives are always welcome; but the premise here is that we need them to do it. We need everyone to do it.