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Full Description
Organized around the principles of sustainability, this edition explores the interactions of humans with the natural environment. It probes the environmental issues - their scientific basis, their history, and the response of societies. In particular, the text explores sustainable development and public policy as they shape the present and future. The goal of the text is to enable students to make a critical evaluation of key issues and put their understanding into practice.
Contents
Introduction: Environmental Science and Sustainability. WHAT ECOSYSTEMS ARE AND HOW THEY WORK. Ecosystems: Units of Sustainability. Ecosystems: How They Work. Ecosystems: In and Out of Balance. Ecosystems: Adapting to Change - or Not. FINDING A BALANCE BETWEEN POPULATION, SOIL, WATER, AND AGRICULTURE. The Population Explosion: Causes and Consequences. Addressing the Population Problem. The Production and Distribution of Food. Soil and the Soil Ecosystem. Pests and Pest Control. Water, the Water Cycle, and Water Management. POLLUTION. Sediments, Nutrients, and Eutrophication. Sewage Pollution and Rediscovering the Nutrient Cycle. Pollution from Hazardous Chemicals. Air Pollution and Its Control. Major Atmospheric Changes. Pollution and Public Policy. RESOURCES: BIOTA, REFUSE, ENERGY, AND LAND. Wild Species: Diversity and Protection. Ecosystems as Resources. Converting Trash to Resources. The Rise of Fossil Fuels. Nuclear Power: Promise and Problems. Solar and Other Renewable Energy Sources. Lifestyle and Sustainability. Epilogue.
