主题词：Municipal Solid Waste Management; Recycling and Waste Management Techniques; Thermochemical Biomass Conversion Processes; Recycling and utilization of industrial and municipal waste in materials production; Concrete and Cement Materials Research; Catalytic Processes in Materials Science; Adsorption and biosorption for pollutant removal; Healthcare and Environmental Waste Management; Microplastics and Plastic Pollution; Coal and Its By-products; Recycled Aggregate Concrete Performance; Phosphorus and nutrient management; Biofuel production and bioconversion; Anaerobic Digestion and Biogas Production; Supercapacitor Materials and Fabrication; Plasma Applications and Diagnostics; Food Waste Reduction and Sustainability; Air Quality and Health Impacts; Catalysts for Methane Reforming; Landfill Environmental Impact Studies; Magnesium Oxide Properties and Applications; Toxic Organic Pollutants Impact; Biodiesel Production and Applications; Catalysis and Hydrodesulfurization Studies; Environmental remediation with nanomaterials