The first comprehensive treatment of environmental philosophy, going beyond ethics to address the philosophical concepts that underlie environmental thinking and policy-making today Encompasses all of environmental philosophy, including conservation biology, restoration ecology, sustainability, environmental justice, and more Offers the first treatment of decision theory in an environmental philosophy text Explores the conceptions of nature and ethical presuppositions that underlie contemporary environmental debates, and, moving from theory to practice, shows how decision theory translates to public policy Addresses both hot-button issues, including population and immigration reform, and such ongoing issues as historical legacies and nations' responsibility and obligation for environmental problems Anchors philosophical concepts to their practical applications, establishing the priority of the discipline's real-world importance.