The Journal of Environmental Chemical Engineering - JECE provides a forum for the publication of original and innovative research on the development of advanced, safer, green and sustainable environmental technologies towards a carbon-neutral circular and self-sufficient bio-based economy, focusing on soil, water, wastewater and air decontamination; pollution monitoring, prevention and control; advanced analytics, sensors, impact and risk assessment methodologies with applications in environmental chemical engineering; endogenous resource recovery (water, nutrients, materials, energy); industrial ecology; waste streams valorization; waste management, including e-waste; climate-water-energy-food nexus; novel materials for environmental, chemical and energy applications; sustainability and environmental safety; water digitalization, water data science and machine learning; process integration & intensification; recent developments on green chemistry for synthesis, catalysis and energy; and original work on contaminants of emerging concern, persistent chemicals and priority substances including microplastics, nanoplastics, nanomaterials, micropollutants, antimicrobial resistance genes, and emerging pathogens including new and neglected pathogens (viruses, bacteria, parasites) of environmental significance.