(Topics include but are not limited to)
Topic 1: Energy Science
Photochemical Science
Energy Science and Engineering
Chemical Engineering and Technology
Water conservancy and power engineering
Energy and Environmental Engineering
Energy materials
Inorganic nanomaterials
Analytical Chemistry and Environmental Chemistry
thermal engineering 
Nuclear Power Engineering
Wind power generation
Storage Technology
Efficient and energy-saving lighting products and technologies
Green and environmentally friendly building materials and energy-efficient buildings
Biomass Energy Engineering
Hydrogen energy and fuel cells
Energy Technology
energy conversion 
energy efficiency 
Energy storage
Energy Planning
thermodynamics
Energy system, energy analysis
New energy vehicles
Topic 2: Energy Conservation and Environmental Protection
Industrial energy conservation
Building Energy Efficiency
Civil energy conservation
Comprehensive utilization of resources
Solid waste treatment and disposal
Soil pollution control and remediation
Water ecological restoration and ecological protection
Pollution environmental monitoring
Air pollution prevention and control technology
Waste gas recovery and treatment technology
Smart Energy
Smart Environmental Protection
Digital monitoring
3D printing
Intelligent building
Smart cleaning technology
Informationized pollution control
Smart Heating Energy saving System Technology and Application
Analysis of Energy saving Technologies for Smart Buildings
Blockchain+Internet of Things in the Energy Sector
Development of Smart and Clean Energy
Theme 3: Ecological Environment Protection
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 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