Completely updated, the new Seventh Edition of Environmental Science enlightens students on the fundamental causes of the current environmental crisis and offers ideas on how we, as a global community, can create a sustainable future. It's student-friendly, up-to-date coverage, newly revised Critical Thinking questions and integrated technology package, prompt students to think critically about the key principles of environmental science and sustainability. Table of Contents Table of Contents Chapter 1: Environmental Science and Critical Thinking Chapter 2: Environmental Protection and Sustainable Development Chapter 3: Understanding the Root Causes of the Environmental Crisis Chapter 4: Principles of Ecology: How Ecosystems Work Chapter 5: Principles of Ecology: Biomes and Aquatic Life Zones Chapter 6: Principles of Ecology: Self-Sustaining Mechanisms in Ecosystems Chapter 7: Human Ecology: Our Changing Relationship with the Environment Chapter 8: Population: Measuring Growth and Its Impact Chapter 9: Stabilizing the Human Population: Strategies for Sustainability Chapter 10: Creating a Sustainable System of Agriculture to Feed the World's People Chapter 11: Preserving Biological Diversity Chapter 12: Grasslands, Forests, and Wilderness: Sustainable Management Strategies Chapter 13: Water Resources: Preserving Our Liquid Assets and Protecting Aquatic Ecosystems Chapter 14: Nonrenewable Energy Sources Chapter 15: Foundations of a Sust