Section 1. Biodegradation of agricultural waste products. Chapter 1. Agricultural waste management for bioethanol production ; Chapter 2. Cellulolytic microorganisms: a review ; Chapter 3. Bioprocessing requirements for bioethanol: sugarcane vs. sugarcane bagasse ; Chapter 4. Microbe mediated bioconversion of fruit waste into value added products: microbes in fruit waste management -- Section 2. Bioremediation of environmental waste and pollutants. Chapter 5. Bioremediation of environmental pollutants ; Chapter 6. Composting an emerging technology for solid waste management in India ; Chapter 7. Valorization of tannery solid waste materials using microbial techniques: microbes in tannery solid waste management ; Chapter 8. Phytoremediation of nitrogen and phosphorus in municipal wastewater by Cyperus Alternifolius planted constructed wetland ; Chapter 9. Role of microorganisms in bioremediation of pesticides ; Chapter 10. Sources of soil pollution -- Section 3. Removal of toxic product and hazardous waste. Chapter 11. Sources of air pollution ; Chapter 12. Anaerobic digestion enhancement with microbial electrolysis cells: is biomethane production the direction to go for commercialization? ; Chapter 13. Biosorption of heavy metals: biological approach to control the industrial waste ; Chapter 14. Biodegradation of low density polyethylene films ; Chapter 15. Microbial bioreactor systems for dehalogenation of organic pollutants ; Chapter 16. Microbial degradation of azo dyes: the role of azoreductase to initiate degradation -- Section 4. Advanced approach for waste management. Chapter 17. Design and development of a sanitary landfill for low income countries for optimal waste management ; Chapter 18. Insilico tools to study the bioremediation in microorganisms ; Chapter 19. Enzymatic treatment of petroleum-based hydrocarbons.