The question of apportioning responsibility (or "blame", if you prefer) is very tricky. Many Americans (and Europeans etc) have for decades had the relatively l

The question of apportioning responsibility (or "blame", if you prefer) is very tricky. Many Americans (and Europeans etc) have for decades had the relatively luxury of living comparatively emissions-intensive lives without having to worry about the environmental impact of their lives. The differentiated responsibility in the treaties is partly to account for historical emissions. Whether or not that felt like a luxury at the time is kind of irrelevant from an accounting perspective but important from a political perspective. That said, for someone in the U.S. to try and pass off responsibility to a country emitting three times less per capita [1] seems borderline absurd to me. And that's not even accounting for the fact that -- as you point out -- much of China's emissions are exported from the U.S and EU. If the U.S. had the cleanest industry and its people had already made significant sacrifices in the name of climate protection we should see that the U.S. has comparatively low per-capita emissions. It clearly doesn't. [1] https://www.cnbc.com/2019/11/26/us-leads-greenhouse-gas-emissions-on-a-per-capita-basis-report-finds.html https://www.cnbc.com/2019/11/26/us-leads-greenhouse-gas-emis...