ENVIRONMENTAL BIOTECHNOLOGY discusses role of microbes in making environment cleaner; biodegradation of Xenobiotic compounds; different Biosensors and their significance; various physical chemical and Biological methods of solid waste treatment; aerobic and anaerobic methods of the waste water treatment; global environmental problems like Green house effect, acid rain, Ozone depletion and their treatment by biotechnological methods. This book will be useful for UG and PG students of Environmental Biotechnology.