“初级经济学”教科书虽然确实在某些事件背景下（例如污染）讨论过这一问题，而人们也普遍同意：如果想拥有洁净空气、洁净的水以及减少其他污染物，就需要对破坏环境行为加以规管。
To be fair, Econ 101 textbooks do discuss this issue in some contexts, such as pollution, and it is widely accepted that environmental damage needs to be regulated if we are to have clean air, clean water, and limits on other pollutants.