Topics Full Articles/ Reviews/ Shorts Papers/ Abstracts are welcomed in the following research fields: Themes and sub-themes Green chemical engineering and Circular economy Sustainable processes, resource recovery, and waste minimization strategies Green chemistry, engineering, and catalysis innovations Recycling, resource recovery, and zero-waste technologies Life cycle analysis and techno-economic -design in chemical production process optimization and industrial sustainability Renewable energy technologies and systems Renewable energy sources, energy storage solutions, and energy efficiency technologies Solar, wind, bioenergy, and geothermal energy innovations Energy storage solutions (batteries, hydrogen, carbon capture, and smart grids) Distributed energy systems and microgrids Process optimization and energy management in industrial operations Climate change mitigation and environmental management Cutting-edge technologies and practices for mitigating climate change, reducing pollution, and promoting sustainable resource management Greenhouse gas reduction technologies Sustainable water management and purification technologies Environmental policy, regulation, and green certification framework Water and wastewater treatment technologies Innovations in waste-to-energy processes Advanced wastewater treatment and desalination technologies Waste management strategies for resource efficiency Biological technologies and biomaterials