The document outlines key aspects of environmental law. It discusses how polluters can be held liable under common law theories of nuisance and negligence. It also explains that the National Environmental Policy Act requires federal agencies to prepare an environmental impact statement analyzing the effects of proposed actions. Additionally, it overviews several major federal statutes that regulate air pollution, water pollution, toxic chemicals, and hazardous waste, including the Clean Air Act, Clean Water Act, Resource Conservation and Recovery Act, and Comprehensive Environmental Response, Compensation, and Liability Act (Superfund).