Synopsis The book related to an important and emerging field of research in environment and development. The subject of environmental changes and sustainable development is so vast than no single writer or a single book can bring home its different aspects. This book has been written in our sole endeavor to explain each part of multiple discipline in environment and sustainable development. The principles in relation to sustainable development and environmental changes are particularly relevant to the modern science and for the human kind who is exploring for life on this planet. The themes of Rio UN Conference of 1992 and UN World summit for sustainable development 2002 at Johnsburg relate to developing new economic bases on the ecology of the earth. This book has focus on these two new fields, It describes the scientific management of natural disaster management, environment and sustainable development, watershed management, appropriate rural technologies, climate change and other relevant aspects in the global and regional context. The book should be much interest to scholars with academic orientation, scientific approach management and development planner and to all students of geography and environment involved in suitable development and environment protection.