The book is a complete treatise on environmental biotechnology and is designed to fulfill the requirements of undergraduates and postgraduates in the disciplines of environmental biotechnology, microbial ecology, biotechnology and biochemical engineering. It will also be of interest to the scientists, researchers, and professionals interested in applying biotechnology in the management of environmental problems, public health and waste-water engineering. The text is divided into six sections and each section is presented in a cogent and lucid style to help the reader grasp the information quickly and easily. This edition discusses basic concepts of environmental biotechnology, stoichiometry and bacterial energetics and microbial kinetics biological treatment of waste-water and solid wastes, soil and landfill, applications of environmental biotechnology, chemical, food processing, metal and, mining, environmental monitoring, microbial diversity. It also includes bioreactor design, biodegradation and biotransformation, Diagrams, figures and tables supplement the text.