The book “ENVIRONMENTAL ECONOMICS” is very pertinent. The book is a completely updated and Comprehensive one. This book consisting of FIVE Chapters. Chapter-1- Introduction and Basic Theories of Environmental Economics Chapter-2- Externalities Chapter-3- Measurement of Environmental Values Chapter-4- Theory of Environmental Policy chapter-5- Economic Impact of Environmental Pollution and Environmental Regulations. At the end of each chapter, Key concepts and Model questions have been given to test the students understanding of the subject. The book occupies special advantage of excellence, a practical significance in India. We have made an earnest attempt to make the chapters’ error free and reader friendly. However, we believe that perfection is an achievable ideal, but not an achieved one. Hence, we invite your comments and constructive suggestions, if any, for future use.