The text is designed to introduce those without any legal or special scientific training to the system through which the nation attempts to preserve and protect the different aspects of our environment.

Kubasek and Silverman explain the legal system and process in general, discuss specific environmental laws, and present the scientific background necessary for understanding each law.

The Fifth Edition is extensively revised to include recent actions by the Bush administration, the "clear skies" initiative, and includes a special packaging option with VersusLaw.