The fact that there are so many countries should mean that at least one of them should have solved the issue by now, no? Meaning, there should be some country that has near zero greenhouse gas emissions. Have they?
It only matters that all-countries (at least the bigger ones) get there. We share the atmosphere. It's also an inconvenient fact that if you import goods then you're externalizing your pollution.
https://www.weforum.org/stories/2022/12/these-countries-achi...