Dr. Mohamed Hamdy Eid Hemida is a Researcher at the Institute of Environmental Management, Faculty of Earth Science, University of Miskolc, Hungary, and a Lecturer at the Faculty of Science, Beni Suef University, Egypt. He earned his Ph.D. from the University of Miskolc (2025) in Hydrogeology. His M.Sc. from Szent Istvan University (MATE), Hungary (2020) in Environmental Engineering, and his B.Sc. in Geology and Chemistry from Beni Suef University (2015). He has published over 75 Scopus-indexed papers, with notable works on machine learning applications in water quality assessment, health risk of potential toxic elements, isotopes geochemistry, Hydrogeochemistry, hydrological modeling, and water treatment. Dr. Eid is a member of the International Water Association (IWA) and the American Geophysical Union (AGU). His awards include Outstanding Scientific Author of the University of Miskolc (2025), and Third Place at the Spring Wind Conference (Hungary, 2025). He serve as Guest Editor for a Special Issue: Global Challenges and Solutions for Emerging Contaminants in Aquatic Environments with Water MDPI. Feel free to connect if you're working on related topics (Emerging Contaminants; Water Quality; Environmental and Health Risk Assessment; Heavy Metals; Microplastics; water treatment; surface water and groundwater modeling; Machine Learning; Hydrogeochemistry; transport modeling; Remote sensing and GIS applications. Drought; climate change)