The present book provides a scientific appraisal of the facts relating ro environmental issues and is aimed at inclucating the management strategies with regard to ecodegradation. It is rather difficult to present all information of environmental issues in limited pages: however, an attempt has been made to concise the text in 63 chapters to know the pectrum of environmental threats.The present book is a unique compilation of innovative articles contributed by eminent authors having their specialized fields, which will act as a keyboard in opening new vista in the field of environmental sciences. With its application-oriented and interdisciplinary approach, the book would be immensely useful to everyone dealing with environmental studies,s uch as University teachers, academics, technocrats politicians, researchers and post graduate students.