主题词：Groundwater flow and contamination studies; Groundwater and Isotope Geochemistry; Geophysical and Geoelectrical Methods; Water Quality and Resources Studies; Geophysical Methods and Applications; Hydraulic Fracturing and Reservoir Analysis; Microbial bioremediation and biosurfactants; Diverse Scientific and Economic Studies; Human auditory perception and evaluation; Toxic Organic Pollutants Impact; Water Quality and Pollution Assessment; Soil and Unsaturated Flow; Environmental remediation with nanomaterials; Water Treatment and Disinfection; Atmospheric and Environmental Gas Dynamics; Landfill Environmental Impact Studies; Water Quality Monitoring and Analysis; Educational Robotics and Engineering; Pesticide and Herbicide Environmental Studies; Water Systems and Optimization; Urban Stormwater Management Solutions; Electrokinetic Soil Remediation Techniques; CO2 Sequestration and Geologic Interactions; Legal case studies and regulations; Arsenic contamination and mitigation