· Environmental nanotechnology 

· Environmental Remote Sensing Applications 

· GIS for Environmental Assessment 

· Harmful gas biofiltration 

· Soil remediation / phytoremediation 

· Environmental ecology 

· Air quality and air pollution control 

· Industrial pollution control and clean production 

· Ecosystem restoration and management 

· Ecological Engineering and Environmental Restoration 

· Sustainable Energy and Environment 

· Environmental health and pollution prevention and control 

· Cross-study of energy and environment 

· Life Cycle Assessment of Energy Systems 

· Climate change and adaptation, mitigation strategies 

· Integration and Optimization of Solar and Wind Energy 

· Production and environmental effects of bioenergy

· Environmental Digitalization and Smart Technology

· Environmental protection and governance

· Utilization and Circulation of Environmental Resources

· Water quality engineering, water quality modeling

· Water resources management

· Wastewater and sludge treatment

· Water treatment and reclamation

· Solid waste treatment and resource recovery

· Optimization of energy consumption in urban planning

· Urban Ecology and Greening

· Urban infrastructure and construction

· Sustainable development and low carbon technology

· The application of information technology in urban planning

· Urban sustainable development

· Smart city and technology application

· City Informatization and Data Security

· Geographic Information System, Statistics and Remote Sensing