Prof. Ram Narayan Yadava is the advisor for Research and International Affairs at Mansarovar Global University, India. He has served as the founding Vice Chancellor of AISECT University and has been instrumental in the establishment of Advanced Materials and Processes Research Institute (AMPRI) under CSIR, India. His expertise spans hydrologic modeling, environmental quality, water resources, and R&D management. Prof. Yadava has led multiple research projects in remote sensing, mathematical modeling, and technology forecasting. He has published over 100 journal articles, four textbooks, and 16 edited reference books. Recognized for his contributions to hydrology and environmental sciences, he has delivered invited lectures across numerous international institutions. He is also the president of the International Association of Water, Environment, Energy, and Society, India. Dr. Salah Souabi is a professor at the Process and Environmental Engineering Laboratory, Faculty of Sciences and Technologies Mohammedia, Hassan II University of Casablanca, Morocco. He holds a Ph.D. in Chemistry and Microbiology of water from the University of Poitiers, France, and a Ph.D. in water treatment from the University of Moulay Ismail Maknès, Morocco. He has adequate experience in water, wastewater, waste management, and environmental pollution, including executing various R&D projects. He has supervised 28 doctoral students for the award of Ph.D. degrees in water, wastewater treatment, environmental pollution, solid waste management, and operation of plants for wastewater treatment and sustainability. He has published 157 peer-reviewed articles, 30 book chapters, seven edited books, and 310 communications. Prof. Salah Souabi is also a reviewer of scientific journals and a member of the scientific committee of international conferences in addition to 9 edited books. Dr. Abdelkader Anouzla received his Ph.D. in Science & Technology at Hassan II University—Faculty of Science and Technology Mohammedia, specializing in water treatment. Dr. Abdelkader Anouzla has published almost 100 peer-reviewed articles and seventeen books. As well as being a guest speaker at several conferences, he has also published numerous proceedings. He has experience in water and wastewater, solid waste management, environmental chemistry, pollutants in soil, study and characterization of waste, recycling, and reuse of waste to produce new materials, and air pollution. Anouzla conducts research in the areas of water and waste treatment, wastewater treatment plant operation, leachate discharge treatment, solid waste sorting, technical landfill management, and composting of solid waste and sludge from wastewater treatment plants, the algae as a natural solution for Water-Food-Energy nexus and Microplastic pollution in the environment, digitalization in the water sector, saving water in business and irrigation, nitrogen pollution. Prof. Shalini Yadav is a professor in the Dept. of Civil Engineering and Head of the Centre of Excellence in Advanced Water and Environmental Research, Rabindranath Tagore University, Bhopal, India. Her research interests include solid and hazardous waste management, construction management, environmental quality, wastewater treatment, and water resources management. She has executed a variety of research/consultancy projects in environment and water science, and has got rich experience in planning, formulating, organizing, executing, and management of R&D programs. She has got to her credit guiding an appreciable number M. Tech. and Ph.D. students. She has published more than 100 journal articles and technical reports. She is a member of the organizing and scientific committee of several conferences and reviewer in several international journals. Professor Vijay P. Singh is a distinguished professor, a regents professor, and the inaugural holder of the Caroline and William N. Lehrer Distinguished Chair in Water Engineering at Texas A&M University, USA. He received his B.Sc. and Tech., M.S., Ph.D., and D.Sc. degrees, all in engineering. He is a registered professional engineer, a registered professional hydrologist, a board certified water resources engineer (ASCE-AAWRE), and an honorary diplomate of European Water Resources Association. He is a member of National Academy of Engineering (NAE), a member of Canadian Academy of Engineering, an academician of Georgia Fazisi Academy, a member of European Academy of Sciences and Arts, and a fellow/member of 11 other international science/engineering academies. He is a distinguished member of ASCE, an honorary distinguished member of IWRA, a distinguished fellow of AGGS, and an honorary member of AWRA, and a fellow of AGU, EWRI, ASCE, IAH, ISAE, IWRS, and IASWC.