Contents: Preface. 1. Environmental biotechnology. 2. Bioremediation of environmental biotechnology. 3. Modes of biomineralisation and biomimetics. 4. Biomagnification of radionuclides. 5. Biofertilizers. 6. Plantation of green manure. 7. Environmental of cleaner technology. 8. Chemical engineering perspective of environmental biotechnology. 9. Environmental practice for mechanical biological treatment. 10. Applications of environmental biotechnology in industry. 11. Agricultural and environmental biotechnology. 12. Conserving biodiversity. Index. Environmental biotechnology makes an attempt to understand the science of biotechnology at a mire complex level than commonly utilized. It explores the various promises this field holds and examines the various tools and technologies within the field. The quality of life on earth is depends on overall quality of the environment. Due to unregimented population increased and industrial development added millions of tones of hazardous wastes to the soil and water during the 20th century. For centuries we believe that atmospheric terrestrial and aquatic systems were sufficient to absorb and breakdown wastage from population centre, industry and farming. Environmental biotechnology can also provide a natural way of addressing mainly environmental problems ranging from the identification of biohazards to bioremediation techniques for industrial agricultural and domestic like municipal effluents and residues. This book provides deeper insight into the concepts and applications of environmental biotechnology.