This is clearly under dispute and not a fact that can be stated so cleanly . The article itself makes it clear that the Supreme Court ruled in 2022 that this is not the case.h
> greenhouse gases fit well within the CAA's capacious definition of air pollutant
- United States Supreme Court
The clean air act was already ruled to include greenhouse gasses. It's not under dispute, this court just disputes it because they have the power and ultimately are playing an end game of fostering a conservative government, i.e. they have long term political interests.