Answers to environmental issues are not black and white. Debates around policy are often among those with fundamentally different values, and the way that problems and solutions are defined plays a central role in shaping how those values are translated into policy. Through her analysis, Judith Layzer systematically explores the background, players, contributing factors, and outcomes of 15 cases, and gives readers insight into some of the most interesting and controversial issues in U.S. environmental policymaking.