Synopsis "Environmental science and Technology" is an attempt to keep pace with continuing rapid developments in the field of environmental science and technology. The basic aim of the book is to present in a rigorous, quantitative manner many of the necessary fundamentals needed for the analysis of Environmental Science and Technology. If we are interested to preserve our future generations, environmental science and technology must play a vital and dominant role in designing social and industrial structure. Current and historical statistics have been taken especially from Indian, Japanese, Canadian and American experiences in order to show the progress that has been attained during the last two and a half decades in overcoming various aspects of science and technology and yet to demonstrate the magnitude of exiting problems. This book will prove informative and interesting to a wide range of readers, directly or indirectly involved with the environmental Science and Technology.