A. W. Jayawardena is currently an Adjunct Professor in the Department of Civil Engineering of the University of Hong Kong where he has been teaching for many years. He has also been a Visiting Professor, Chu Hai College of Higher Education, Hong Kong; a Technical Advisor to the Research and Development Centre, Nippon Koei Co. Ltd, Japan; Research and Training Advisor to the International Centre for Water Hazard and Risk Management (ICHARM) under the auspices of UNESCO and concurrently a Professor in the National Graduate Institute for Policy Studies (GRIPS), Japan; a Guest /Visiting Professor of Beijing Normal, Hohai and Tsinghua Universities, China; Honorary Professor in the Department of Statistics and Actuarial Sciences of the University of Hong Kong; an Adjunct Professor of Vellore Institute of Technology, India; Senior Engineer, Howard Humphrey & Sons, Consulting Engineers, UK; and an Engineer in the Irrigation Department of Sri Lanka. His awards include Visiting International Fellowship of the Environmental and Water Resources Institute (EWRI), American Society of Civil Engineers; International Award, Japan Society of Hydrology and Water Resources, and, Invitational Fellowship, Japan Society for the Promotion of Science (JSPS) and UNESCO-IHP Asia Pacific Award. He has authored the books ‘Environmental and Hydrological Systems Modelling’, ‘Fluid Mechanics, Hydraulics, Hydrology and Water Resources for Civil Engineers’, Water for Life: Drinking Water, Health, Food, Energy Nexus, and, authored/co-authored over 200 publications.

Agata Zdarta has completed her PhD from Poznan University of Technology. She is currently leading a scientific project dedicated to the creation of bioactive membranes for environmental application. She has published more than 30 papers in reputed journals and has been serving as an editorial board member of repute.

Jakub Zdarta has completed his PhD at the age of 31 years from Poznan University of Technology and postdoctoral studies from Technical University of Denmark and University of Technology Sydney. Author of over 110 scientific publications indexed by Thomson Reuters JCR and over 15 chapters in monographs. Principal or general investigator in a numerous of research projects financed by the National Science Center, NAWA and the Ministry of Science and Higher Education. The area of his research is focused on biotechnology, materials science, biocatalysis, environmental engineering, bioengineering, enzyme engineering, bioremediation and related fields.

The author is a doctoral student at the Faculty of Science, Ibn Tofail University. He focuses on using biocomposite for treatment applications loaded with dyes and heavy metals. He received his master’s in 2019 in Morocco and has published two papers.