Environment, Ninth Edition weaves the central themes of Systems and Sustainability throughout the text to help students understand the connection between the core concepts of Environmental Science and their daily lives. The 9th edition features a rich collection of current case studies and in-text examples, highlighting local and regional issues which provide students with the science and tools to understand, apply, and think critically about environmental science. It also provides instructors a powerful tools to assess individual students progresses well as the class as a whole.

pt. 1. Humans in the Environment --
Interview: Lester Brown on the Environmental Revolution. Ch. 1. Our Changing Environment. Ch. 2. Solving Environmental Problems --
pt. 2. The World We Live In --
Interview: George Woodwell on Global Ecology and the Human Factor. Ch. 3. Ecosystems and Energy. Ch. 4. Ecosystems and Living Things. Ch. 5. Ecosystems and the Physical Environment. Ch. 6. Major Ecosystems of the World. Ch. 7. Ecosystems, Economics, and Government --
pt. 3. A Crowded World --
Interview: Anne & Paul Ehrlich on A Population Policy for the Super-Consumers. Ch. 8. Understanding Population Growth. Ch. 9. Facing the Problems of Overpopulation --
pt. 4. The Search for Energy --
Interview: L. Hunter Lovins on Efficiency Technology: Less Energy, More Power. Ch. 10. Fossil Fuels. Ch. 11. Nuclear Energy. Ch. 12. Renewable Energy and Conservation --
pt. 5. Our Precious Resources --
Interview: Russell Train on Preserving Biological Diversity in the Developing World. Ch. 13. Water: A Fragile Resource. Ch. 14. Soils and Their Preservation. Ch. 15. Minerals: A Nonrenewable Resource. Ch. 16. Wildlife: Our Plant and Animal Resources. Ch. 17. Land Resources and Conservation. Ch. 18. Food Resources: A Challenge for Agriculture --
Interview: Richard Mahoney on Delivering Biotechnology to Developing Nations --
pt. 6. Environmental Concerns --
Interview: Frank Press on Transnational Cooperation in Environmental Science. Ch. 19. Air Pollution. Ch. 20. Global Changes. Ch. 21. Water and Soil Pollution. Ch. 22. The Pesticide Dilemma. Ch. 23. Solid and Hazardous Wastes --
pt. 7. Tomorrow's World --
Interview: Jerry Greenfield on Ben and Jerry's Ice Cream: The Business of Social Responsibility. Ch. 24. Tomorrow's World --
Satellite Photo Composite: Earth at Night --
Appendix I: Review of Basic Chemistry --
Appendix II: How To Make A Difference --
Appendix III: Green Collar Professions.