Pretty sure Gas or Electric, both blow things you shouldn't be breathing into the air. Remove them altogether.
this planet is a shared resource, and a great many things everyone does affects others to some degree, and there obviously has to be some limits, but I think everyone would do well to hold a bit off on judging others, or demanding laws stopping them, for you may soon see others that will turn the cannon around on yourself.
What if the 1 billion Africans suddenly decided "well lets get rid of the US lifestyle, they consume too many resources anyway, literally hurling particles and carbon into the air", will you cheer for the dismantling of all the amenities you enjoy?