Chapter 1. Algal biofuel: A sustainable approach for fuel of future generation -- Chapter 2. Microbial and biotechnological advancement in biogas production -- Chapter 3. Role of thermophiles in production of aviation biofuels: fueling the future -- Chapter 4. Bacterial mediated depolymerization and degradation of lignin -- Chapter 5. Microbiology of bioelectrochemical system -- Chapter 6. Application of biotechnology in oil and gas industries -- Chapter 7. Aquatic microbial oxygenic phototrophs: A short treatise on diverse applications and the future biofuel scenario -- Chapter 8. Bioinformatics: a new insight tool to deal with environment management -- Chapter 9. Development of modern tools for environmental monitoring of pathogens and toxicant -- Chapter 10. Interactions of environmental risk factors and genetic variations: Association with susceptibility to cancer -- Chapter 11. Sequestration of carbon dioxide by microorganism and production of value added product -- Chapter 12. Environmental interaction and impact on the life span of stem cells -- Chapter 13. Pharmaceuticals: An emerging problem of environment and its removal through biodegradation -- Chapter 14. Metabolism of dioxins and dioxins like compounds, its regulation and toxicological pathways -- Chapter 15. Film based packaging for food safety and preservation: issues and perspectives -- Chapter 16. Biotransformation: Basics and applied perspectives.