Chiras (global warming, energy, environment, Colorado College) and Reganold (soil science, Washington State U.) provide an updated tenth edition of their textbook intended for introductory resource conservation courses. Topics include resource conservation and management, tools for creating a sustainable future, the nature of soils, the human population challenge, pest management, aquatic environments and fisheries conservation, forest and wildlife management, plant and animal extinction, air pollution, global warming and climate change, minerals and mining, nonrenewable energy resources, and related subjects. Chapters include summaries of key concepts and critical thinking and discussion questions. Annotation 穢2009 Book News, Inc., Portland, OR (booknews.com)