Section I: Introduction to Water Contaminants and Purification Methods. Chapter 1: Sources and Types of Emerging Contaminants in Drinking Water. Chapter 2: Global Concerns of Accessing Safe Drinking Water. Chapter 3: Deterministic Chemical Risk Assessment of Emerging Contaminants in Drinking Water: Global Guidelines. Chapter 4: Effects and Global Diversity of Emerging Contaminants in Drinking Water. Section II: Traditional and Nanotechnology-Based Water Purification. Chapter 5: Traditional Water Treatment Methods: Limitations and Challenges. Chapter 6: Introduction to Nanotechnology for Water Purification.

Chapter 7: Metal and Metal Oxide Nanoparticles for Water Purification. Chapter 8: Carbon-Based Nanomaterials: From Graphene to Carbon Nanotubes. Chapter 9: Nanocomposites and Hybrid Materials in Water Treatment. Chapter 10: Graphene derivatives in water purification: Progresses and drawbacks. Section III: Health Risks, Regulations, and Future Perspectives. Chapter 11: International Policies on Emerging Contaminants in Drinking Water. Chapter 12: Global Permissible Limits of Emerging Contaminants: Matters Arising. Chapter 13: Interactions of Emerging Contaminants with Other Contaminants in Aquatic Matrices.

Chapter 14: Emerging Contaminants: Challenges and Limitations in Global Drinking Water. Chapter 15: Real-World Applications and Future Prospects of Nanomaterials in Water Treatment. Chapter 16: Future directions of research on Emerging Pollutants in Drinking water: Global perspectives. Chapter 17: Nanobiochar Biobased Nanocatalyst from Sugarcane Bagasse in Petrochemical Wastewater treatment Processes. Chapter 18: Nanotechnology in Combating Waterborne Antimicrobial Resistance. Chapter 19: Silent solution: The power of microbes and plants in water remediation.