1. Wastewater Pollution, Toxicity Profile, and their Treatment Approaches: An overview 2. Innovative Integrated Treatment Approaches for Recycling and Re-Use of Industrial and Municipal Wastewater 3. Constructed Wetland-Microbial Fuel Cell Technology for Wastewater Treatment and Electricity Production: Global Status, Progress, Challenges, and Future Prospects 4. Integrated Microbial Desalination Cell and Microbial Electrolysis Cell for Wastewater Treatment, Bioelectricity Generation, and Biofuel Production: Success, Experience, Challenges, and Future Prospects 5. Integrated Anaerobic-Aerobic Processes for Treatment of High Strength Wastewater: Consolidated Applications, New Trends, Perspectives, and Challenges 6. Integrated Membrane-Microbial Fuel Cell Technologies for Re-Use and Recycling of Complex Wastewater 7. Integrated Production of Polyhydroxyalkonate (Bioplastic) With Municipal Wastewater and Sludge Treatment for Sustainable Development 8. Physicochemical-Biotechnological Approaches for Removal of Contaminants from Wastewater: An Integrated Valorization of Industrial Wastewater 9. Integration of Advanced Oxidation Technologies and Biological Processes of Wastewater Treatment: Recent Advances, Perspectives, and Challenges 10. An Innovative Anammox- Microbial Fuel Cell Technology for Wastewater Treatment: Recent Advances and Future Prospects 11. Integrated Biopolymer and Bioenergy Production from Organic Waste: Recent Advances and Future Outlook 12. Integrated Production of Biodiesel and Industrial Wastewater Treatment by Culturing Oleaginous Microorganisms: A Sustainable Approach from Waste to Biofuel 13. Integrated Carbon Dioxide Sequestration, Wastewater Treatment and Biofuel Production by Microalgae Culturing: Needs and Limitations 14. Integration of Photocatalytic and Biological Processes for Treatment of Complex Effluent: Recent Developments, Trends, and Advancement 15. Exploitation of Algal-Bacterial Synergism in Combined Wastewater Treatment and Biohydrogen Generation: Opportunities, Challenges, and Future Prospects 16. Integration of Anammox with the Aerobic Granular Sludge Process for Wastewater Treatment: Mechanisms, Limitations and Future Opportunities 17. Wastewater Treatment Using Integrated Anaerobic Reactor and Constructed Wetland: An Innovative Plant Bacterial Synergistic Strategy for the Wastewaters Pollutants 18. Integrated Treatment of Wastewater Using Biofilm Reactor Combined with Constructed Wetland: Current Status and Future Outlook 19. Microbial Electrochemical Based Constructed Wetlands Technologies for Wastewater Treatment: Reality, Challenges, and Future Prospects 20. Integrating Forward Osmosis and Microbial Fuel Cells for Wastewater Treatment 21. Integrated Treatment of Industrial Effluents by Chemical Coagulation and Ozonation