主题词：Water Quality and Pollution Assessment; Heavy metals in environment; Water resources management and optimization; Groundwater and Watershed Analysis; Coastal and Marine Management; Water Quality Monitoring and Analysis; Groundwater and Isotope Geochemistry; Adsorption and biosorption for pollutant removal; Hydrology and Watershed Management Studies; Fish Biology and Ecology Studies; Water Quality Monitoring Technologies; Municipal Solid Waste Management; Hydrological Forecasting Using AI; Wastewater Treatment and Reuse; Child Nutrition and Water Access; Air Quality Monitoring and Forecasting; Geochemistry and Geologic Mapping; Flood Risk Assessment and Management; Arsenic contamination and mitigation; Air Quality and Health Impacts; Transboundary Water Resource Management; Healthcare and Environmental Waste Management; Aquatic Ecosystems and Phytoplankton Dynamics; Energy, Environment, Economic Growth; Hydrology and Drought Analysis