(Topics include but are not limited to)
Topic 1: Environmental Protection
Environmental materials
Environmental Safety and Health
Environmental analysis and evaluation
Environmental Engineering
pollution control
Waste disposal and recycling
Clean production process
water and soil conservation
Desertification control
Environmental remediation
Carbon Neutrality
Carbon peak
Residual temperature collection
energy efficiency 
Low carbon technology
Waste recycling and utilization
Comprehensive utilization of resources
environmental science
Resource integration
Green lighting
circulatory system
Energy saving technology
Energy harvesting/storage
Offshore wind power
Electrochemical energy storage
Carbon reduction technology
Greenhouse gas treatment
New energy vehicles
Green technology
Biogas/natural gas development
photovoltaic
Wind power
compressed air
Industrial energy conservation
Building Energy Efficiency
Civil energy conservation
Intel DPST 
Coal saving technology
Fuel saving technology
Water saving and seasonal technology
Environmentally friendly materials
Environmental remediation project
Noise Control Engineering
Water supply and drainage engineering
Ecological environment protection
Microbiology of Environmental Engineering 
Environmental Noise Control Engineering
Topic 2: Pollution Remediation
Emerging pollutants
Advanced oxidation process
Pollution control projects (air, water, solids)
Garbage disposal and recycling
Clean production process
Soil pollution and remediation
Clean technology
Environmental Safety and Health
Biodegradation of harmful substances
Wastewater and sludge treatment
Handling of harmful substances
Air pollution and treatment
Groundwater management
Water pollution and its control
Emission source management
Hazardous solid management
Monitoring and analysis of environmental pollutants
Interactions between pollutants
Technical aspects of treatment and disposal methods (landfill, heat treatment, etc.)
Disinfection and management of water treatment residues
greenhouse effect
climate change
Pollution control, prevention and treatment technology
sustainable development
Comprehensive prevention and control of environmental pollution
meteorology
hydrology
Green Manufacturing and Technology
renewable energy
Soil Pollution and Control
Air pollution and treatment
Water pollution and its control
Electromagnetic radiation control
Thermal pollution control
Power plant water treatment technology
Topic 3: Waste Disposal
Physical processing
chemical treatment
biological treatment
heat treatment
Curing treatment technology
Landfill disposal
Harmless disposal
Waste resource utilization
Waste classification and labeling
smash
Waste reduction treatment
Thermal Pyrolysis 
Industrial solid waste
Mining solid waste
Urban solid waste
Agricultural solid waste
Radioactive solid waste
compress
dry
evaporation
burn
oxidation
Digestion and decomposition
absorb