In order to keep the land productive, a good conservation program is imperative. The primary purpose of soil and water conservation is to prevent soil erosion and heal its scars. This handbook explains the causes, processes, and consequences of soil erosion and depletion, and describes major soil- and water-conservation measures. This book was…

Reviews programs in the state of Maine that are designed to inventory the natural heritage of critical areas, rare species, and exemplary natural features. Discusses how the information acquired by these programs is being used for public information efforts and educational programs in the schools. (ML)

Identifies land degradation as Australia's most urgent environmental problem and recommends the development of a land ethic for soil conservation. Presents a 15-point conservation education plan that encourages a sustainable ecological basis for rural production and also cultivates ecologically sound habits toward nature. (ML)

Provides a discussion of the structure and procedures of a classroom exercise using scenes from "The Grapes of Wrath," to illustrate different environmental philosophies. After viewing scenes from the film, students prepare presentations examining the Dust Bowl from one of four philosophical positions: environmental causation,…