(Topics include but are not limited to)
Topic 1: Environmental Prevention
Environmental Ecological Engineering
Ecosystem management and sustainable development
Environmental monitoring and management
Environmental safety and health
Environmental planning and assessment
Environmental analysis and monitoring
Environmental remediation projects
Waste treatment and recycling
Clean production process
Hydrological and hydraulic engineering
Soil and water conservation and desertification prevention and control
Global environmental change and ecosystem management
Environmental restoration and ecological engineering
Landscape degradation and restoration
Hazardous substances and detection techniques
Biodegradation of harmful substances
Management and supervision of point pollution and diffusion pollution
Theme 2: Ecological Protection
Carbon neutrality
Environmental remediation
Carbon peak
Residual temperature collection
energy efficiency 
environmental science
Resource integration
Green lighting
circulatory system
Low carbon technology
Waste recycling and utilization
Comprehensive utilization of resources
Topic 3: Pollution Control Technology
Water quality classification
Wastewater and sludge treatment
Water resource management and wastewater treatment
Groundwater management
On site and small systems
Rainwater management
Process modeling
Sludge treatment and reuse
Industrial wastewater treatment
Water resources and watershed management
Suspended and fixed membrane biological processes
Progress in biological, physical, and chemical processes
Interactions between pollutants
Waste management and recycling
Solid waste management
Waste minimization
Optimization of collection system
Recycling and reuse
Waste pricing