This book comprises selected, peer-reviewed papers presented at the 11th International Conference on Water Resources and Environment (WRE2025), reflecting the latest advancements and interdisciplinary research in water-related fields. The contributions originate from leading researchers, practitioners, and policymakers across the globe, offering a comprehensive overview of emerging challenges and innovative solutions in water science and engineering. The book covers a wide range of topics including, but not limited to: hydraulics and hydrology; water resources management and engineering; water and wastewater treatment technologies; assessment and monitoring of water quality; pollution control; aquatic environmental protection; and coastal and estuarine engineering. Each chapter emphasizes scientific rigor, practical applicability, and sustainability, making it a valuable resource for addressing real-world water issues. Designed to serve as a reference for postgraduate students, academic researchers, and professionals in civil engineering, environmental science, and water resource management, this book promotes cross-disciplinary dialogue and fosters collaboration between academia, industry, and governmental organizations.

Emeritus Professor Chih-Huang Weng is affiliated with the Department of Civil Engineering at I-Shou University in Taiwan, where he also serves as President of North Kaohsiung Community University in Taiwan. He received his MS. and Ph.D. degrees in 1990 and 1994, respectively, from the Department of Civil Engineering of the University of Delaware, USA. Currently, Prof. Weng is Associate Editor of Environmental Geochemistry and Health (Springer) and Member of the Editorial Board Panel of Coloration Technology (Wiley). He has acted as Guest Editor of SCI journals, such as Agricultural Water Management (Elsevier), Environmental Science and Pollution Research (Springer), and Lecture Notes in Civil Engineering. Additionally, he has organized and chaired numerous international conferences. Prof. Weng is listed in the World’s Top 2% Scientists by Stanford University (2021-2025). His main research interests focus on using advanced oxidation processes and adsorption to treat wastewater and bacteria inactivation.