In fact, some of the worst polluters are nations where the state owns the majority of land and/or production like Soviet Union and China. I was both dumbfounded and sad to see the amount of trash in the Black Sea along the Russian coast that was dumped there or floated into it via the danube river during soviet rule.
It's especially sad to see this sort of thing happening in the United States, which is a relativity environmentally conscious country with large swaths of protected land. I wouldn't take it as far is the following article details, but some of the ideas here would be better than the current system: https://mises.org/daily/5978/The-Libertarian-Manifesto-on-Po...