Dr. Manoj Kumar Jindal is an active researcher who has completed a PhD in Applied Chemistry and is currently focusing on environmental chemistry/science research, particularly in the fields of water and radiation, including water quality, quantity, sustainability, and water chemistry. He has worked on the water quality nexus. He has over ten years of experience in research and teaching. Presently, he works as a researcher at the Center for Sustainable Drinking Water, IITJ-JJM (Jal Jeevan Mission) at the Indian Institute of Technology Jodhpur (IITJ), Rajasthan, India. Previously, he worked at the Divecha Centre for Climate Change, Indian Institute of Science (IISc), Bangalore, India, for two years and at IIT Bhilai for 3.5 years. He has authored over 40 research publications in indexed journals. He is also the author/editor of Six books and numerous book chapters. He serves as a reviewer for many journals and book proposal. He is an Editorial Board Member of Discover Sustainability, published by Springer Nature.Dr. Sanjib Banerjee is an Associate Professor at Indian Institute of Technology Bhilai. He is currently associated with the Department of Chemistry and Dept. of Materials Science & Metallurgical Engineering at IIT Bhilai. He leads the "Polymers for Health, Energy & Sustainability Laboratory (PHES LAB) " at IIT Bhilai. His research group is working on the development of innovative materials as key elements for healthcare, sustainability, and energy applications. He has (co)coauthored 92 peer-reviewed journal publications and 9 book chapters. He is also the (co)inventor of 5 patents. Dr. Banerjee has been the PI on over 7.3 Cr INR of funding in the past 7 years and his work has been recognized through multiple awards, including the SERB-Early Career Research Award 2019, SERB-Ramanujan Fellowship 2016, RSC-Molecular Systems Design & Engineering Outstanding Reviewer 2019, RSC-Polymer Chemistry Emerging Investigator-2020, Wiley-Next Generation of Polymer Researchers-2022, Chemical Research Society of India (CRSI)-Bronze Medal for the year 2024 and RSC-Polymer Chemistry Pioneering Investigators-2025, among others. He served as an Associate Editor of Frontiers in Chemistry journal from Feb, 2022 to Feb, 2024. Since, Feb, 2024 and Head of the Dept. of Chemistry, IIT Bhilai from Aug, 2020 till Aug 2024. Since, Feb, 2024, he has been an Editor of Elsevier-Materials Today Communications Journal.

• Chapter 1: Early Observations and Empirical Knowledge.- Chapter 2: Fundamentals of Polymer-Water Interactions..- Chapter 3: The Critical Role of Polymers in Water Science and Technology..- Chapter 4: Polymers for Water Purification and Treatment..- Chapter 5: Polymers for Water Desalination..- Chapter 6: Nano-Enabled Polymers: A New Era in Water Purification.- Chapter 7: Polymers for Controlling Naturally Occurring Biological Hazards, Pharmaceutical, and Industrial Contaminants.- Chapter 8: Mechanism of polymer transport for groundwater recharge: a bibliometric analysis.- Chapter 9: Types of polymers and their impact: A focus on Forever Chemicals.- Chapter 10: Study on the Effect of Contaminants Leaching from Geo-Polymers on Groundwater.- Chapter 11: Introduction of smart polymers as sensors..- Chapter 12: Smart Polymers For Integrated Water Management Systems.- Chapter 13: Design Principles for Smart Polymer Sensors: Selectivity, Sensitivity, Stability, and Regeneration..- Chapter 14: Applications for Specific Contaminants.- Chapter 15: Case Studies: Successful Applications of Smart Polymers in Water Quality Monitoring.- Chapter 16: Polymer Membranes Incorporating BiVO₄/TiO₂ Photocatalysts for Industrial Wastewater Harvesting and Conservation.- Chapter 17: Polymer for water sustainability..- Chapter 18: Case Studies on the Polymer-Water Nexus: Microplastic Degradation Using Catalyzed Wet Oxidation..- Chapter 19: Suggested boundary for the polymer-water nexus, using advanced technologies and future directions.