主题词：Adsorption and biosorption for pollutant removal; Heavy metals in environment; Advanced oxidation water treatment; Air Quality and Health Impacts; Nanomaterials for catalytic reactions; Membrane Separation Technologies; Advanced Photocatalysis Techniques; Recycling and Waste Management Techniques; Pharmaceutical and Antibiotic Environmental Impacts; Environmental remediation with nanomaterials; Microplastics and Plastic Pollution; Wastewater Treatment and Nitrogen Removal; Water Quality and Pollution Assessment; Microbial bioremediation and biosurfactants; Municipal Solid Waste Management; Constructed Wetlands for Wastewater Treatment; Phosphorus and nutrient management; Water Quality Monitoring and Analysis; Air Quality Monitoring and Forecasting; Chromium effects and bioremediation; Extraction and Separation Processes; TiO2 Photocatalysis and Solar Cells; Analytical chemistry methods development; Nanoparticles: synthesis and applications; Toxic Organic Pollutants Impact