To Enforce Environmental Protection Laws Is No Small or Easy

To enforce environmental protection laws is no small or easy matter.The enforcement usually involves

A) primarily a private matter,but one where government agencies are empowered to enforce.
B) requiring polluters to refrain from harmful activities,to remedy existing situations,and to pay for the costs of clean-up.
C) situations where public authorities are over-zealous with a wide variety of enforcement mechanisms,which they apply abusively.
D) the responsibility of corporations,since they are the major polluters.
E) the common law tort of nuisance.