主题词：Adsorption and biosorption for pollutant removal; Heavy metals in environment; Wastewater Treatment and Nitrogen Removal; Microplastics and Plastic Pollution; Pharmaceutical and Antibiotic Environmental Impacts; Phosphorus and nutrient management; Constructed Wetlands for Wastewater Treatment; Advanced Photocatalysis Techniques; Membrane Separation Technologies; Soil Carbon and Nitrogen Dynamics; Advanced oxidation water treatment; Environmental remediation with nanomaterials; Recycling and Waste Management Techniques; Anaerobic Digestion and Biogas Production; Composting and Vermicomposting Techniques; Arsenic contamination and mitigation; Microbial bioremediation and biosurfactants; Biofuel production and bioconversion; Chromium effects and bioremediation; Nanomaterials for catalytic reactions; Extraction and Separation Processes; Nanoparticles: synthesis and applications; Toxic Organic Pollutants Impact; Algal biology and biofuel production; Microbial Fuel Cells and Bioremediation