Administrations like the EPA become little more than the executive arm for legislation drafted and pushed through by big business interests that serve to force out competition and stabilize their own power. They don't get fixed, they get co-opted.
Am I a fan of markets as a solution? More so than legislative bodies that are glorified scaffolds for the fascistic union of business and government.
Do I think it is the panacea for our troubles? No. The issue is more complex than that, unfortunately. What with it being a global problem with key areas such as the the world's rain forests being destroyed for short-term goals and our fertile soil being flushed away by big ag practices, we've become entrenched on multiple fronts.
Have you ever heard of the term permaculture? I think a lot of the problems we currently have would be largely reduced if this was adopted by more people. Unfortunately, there are many laws that prohibit such adaptation from happening.