AUTHOR=Pu Jaan H. , Ikani Nima , Hanmaiahgari Prashanth Reddy , Mohammad Razi Mohd Adib , Hamdan Rafidah Binti , Saphira Binti Radin Mohamed Radin Maya , Al-Qadami Ebrahim Hamid Hussein TITLE=Editorial: Advances in fluvial, coastal, wastewater, and hydro-environment systems, volume II JOURNAL=Frontiers in Environmental Science VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2025.1657658 DOI=10.3389/fenvs.2025.1657658 ISSN=2296-665X