<p><b>With the Yellowstone River Valley of Montana as its setting, this book introduces readers to sustainability issues, theory, and science.</b></p><p>Sustainability offers a vision for business and society that benefits Earth. Yet sustainability is often taught in abstract and disconnected ways.</p><p>This book addresses business profitability, physical environment processes, wildlife, public policies, and American Indian rights. It stresses practical understandings of sustainability via detailed attention to the people of the valley.</p><p>The case sets the stage for data gathering, analyses, and decision making. Readers will recognize similar concerns in other watersheds and understand sustainability anew.</p>