P.V. Nidheesh completed his BTech in Civil Engineering from Government College of Engineering, Kannur, Kerala, India; MTech in Environmental Engineering; and PhD from National Institute of Technology Trichy, Tamilnadu, India. After the completion of his doctoral degree, he worked as an adhoc faculty at National Institute of Technology Calicut, Kerala, India and as an associate professor at Vimal Jyothi Engineering College, Chemperi, Kannur, Kerala, India. Currently he is working as a principal scientist at CSIR—National Environmental Engineering Research Institute, Nagpur, India. His research interests include water, wastewater treatment, and advanced oxidation processes. He has published several international journal articles, conference articles, books, and book chapters. He is an author of highly cited and highly downloaded articles. He is one of the most highly cited researcher of 2023. He is serving as an editorial member for journals including Environmental Research, Environmental Technology, Environmental Advances, Soil and Environmental Health, Water, European Journal of Chemistry, and Environmental Quality Management. Meththika Vithanage is an esteemed Professor and founding director of the Ecosphere Resilience Research Centre at the University of Sri Jayewardenepura, Sri Lanka, her pioneering vision has propelled her to the forefront of global scholarship. Prof. Vithanage's influence extends far beyond her home institution, as evidenced by her roles as an Adjunct Professor at the Institute of Agriculture, University of Western Australia, Sustainability Cluster, University of Petroleum and Energy Studies, India and the National Institute of Fundamental Studies, Sri Lanka. Recently appointed as an Eminent Visiting Scientist at the Saveetha Institute of Medical and Technical Sciences, India, she continues to illuminate pathways for innovative research and collaboration. With a multifaceted academic background spanning water chemistry, environmental remediation, microplastics, and waste biomass conversion, Prof. Vithanage has earned international acclaim for her groundbreaking contributions. Vandana Sreedharan is a seasoned academician in the field of geo environmental engineering at Government College of Engineering Kannur, India. Her research interests include use of sustainable materials for environmental control, modifying clays for use in engineered barriers and soil improvement. Through her research she has explored multi-disciplinary approaches and Vandana's dedication to her field is evident in her commitment to integrate sustainability and resilience in geo environmental systems. Nanthi Bolan is the Professor of Soil Science at the School of Agriculture and Environment, The University of Western Australia. He is leading the Soil Carbon Research group within the school. Nanthi’s teaching and research interests include agronomic value of manures, fertilisers and soil amendments, soil acidification, nutrient and carbon cycling, pesticide and metal pollutants interactions in soils, greenhouse gas emission, soil remediation, mine site revegetation, and waste and wastewater management. Bin Gao is the Kodak Chair Professor in the Department of Civil and Environmental Engineering at Rensselaer Polytechnic Institute. Prior to this, he was a professor at University of Florida, a research associate at Cornell University, and a postdoctoral research associate at Yale University. He earned his PhD degree at Cornell University and his B.S. and M.S. degrees at Nanjing University. Prof. Gao’s research mainly focuses on biochar, environmental nanotechnology, and contaminant fate and transport. He has an extensive list of publications in the field of environmental science and engineering. Amit Bhatnagar is a Full Professor of Wate Treatment at the Department of Separation Science, LUT University, Finland. He is the Group Leader of Water Treatment and Algal Biotechnology Research at LUT University. He is also Head of the Master’s Degree program of Water Technology at LUT University. Earlier, he worked as a faculty at the University of Eastern Finland (2014-2020). He was awarded reputed research fellowships and conducted his postdoctoral research in various countries (Sweden, Portugal, Germany, Finland, South Korea, India, and Switzerland). Bhatnagar’s research interests include wastewater treatment, carbon capture (biofixation) and resource recovery using microalgae and microalgal consortium and the production of value-added products from algal biomass.