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