Topic 1: Microbial Energy Technology
Microbiology
Bioengineering
Chemical engineering
Environmental engineering
Energy Science
Biotechnology
Agricultural engineering
Biochemistry
Molecular biology
Systems biology, etc
Topic 2: Pollution Prevention and Control
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 Hazardous 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
Theme Three: Energy Conversion
Energy conversion and conversion technology
Energy conversion materials
Energy storage
Storage materials and energy storage technology
Efficient utilization of energy
Sustainable energy development
Theme 4: Energy Technology, Utilization, and Development
Building energy-saving technology
Energy saving and environmental protection technology
Clean energy and green energy technologies
Sustainable coal utilization and clean coal technology
Natural gas hydrate development technology
Clean production and green chemical technology
Energy Internet technology
New Power System Technology
Energy efficiency 
Comprehensive utilization of energy
Development of smart energy