It's potentially more profitable (in the short term, and for the people proposing it) to geo-engineer the atmosphere.
Late stage capitalism and globalization would be my guess.
I've heard it said that the US is good at coming up with technical solutions to social problems and this seems like the perfect example of that. (Analogous to our terrible highway/stroad system in most cities, that moves a lot of vehicles and kills a lot of people)
The US could be great at shutting down Indian and Chinese coal plants by EO. Just provide asylum to those that would seek to do it by any means necessary.
Late stage capitalism and globalization would be my guess.
I've heard it said that the US is good at coming up with technical solutions to social problems and this seems like the perfect example of that. (Analogous to our terrible highway/stroad system in most cities, that moves a lot of vehicles and kills a lot of people)