主题词：Heavy metals in environment; Wastewater Treatment and Nitrogen Removal; Toxic Organic Pollutants Impact; Advanced oxidation water treatment; Pharmaceutical and Antibiotic Environmental Impacts; Adsorption and biosorption for pollutant removal; Constructed Wetlands for Wastewater Treatment; Microbial bioremediation and biosurfactants; Heavy Metal Exposure and Toxicity; Arsenic contamination and mitigation; Water Treatment and Disinfection; Environmental Toxicology and Ecotoxicology; Water Quality Monitoring and Analysis; Air Quality and Health Impacts; Effects and risks of endocrine disrupting chemicals; Environmental remediation with nanomaterials; Membrane Separation Technologies; Analytical chemistry methods development; Advanced Photocatalysis Techniques; Anaerobic Digestion and Biogas Production; Phosphorus and nutrient management; Wastewater Treatment and Reuse; Mercury impact and mitigation studies; Water Quality and Pollution Assessment; Microplastics and Plastic Pollution