[adrr]

Commerce clause is a valid reason for federal government to make rules. Imagine each state having their own EPA with their own rules and regulations. Or each state had their own FAA. Or OSHA. It would kill interstate commerce because it would be too costly for businesses to operate at the national level.

[landemva]

Regarding the EPA, I can imagine it not existing. In fact, EPA did not exist when some here were children. https://www.epa.gov/history

The pollution solution is defending property rights. In the short term, the USA pollution solution is to offshore manufacturing pollution to other countries.