This book relates to an important and emerging field of research in sustainable development and environment protection. It offers new ideas in law and science for sustainable development that mankind is exploring for life on this planet. The themes of Rio UN Conference of 1992 and UN World Summit for Sustainable Development 2002 relate to developing new economics based on the ecology of earth and with the assistance of new ideas of science for ecological use of resources of earth. Thus subjects of ecology and international law are being combined along with federalism for management of global resources. This book has focus on these new fields. It describes the global environment movement, the environment movement in India, the Centre-State relations on environment management, the administrative working of the Ministry of Environment and Forests, the working of Environment Protection Act 1986 in India, combining law and science in environment management, the World Charter for Nature 1982, the present state of environment in India, and recent works for sustainable development in India. The book should be of much interest to scholars in law and science, to the environmental economists, and to all students of law involved in sustainable development and environment protection.