(Topics include but are not limited to)
Theme 1: Energy Resources
Energy saving technology
Energy and chemical industry
Coal Mine Engineering and Technology
Energy storage technology
Renewable energy
Building energy
Energy Engineering and Environmental Engineering
Renewable energy technologies and systems
Energy security and clean utilization
wind power
Solar related technologies and applications
Alternative fuels
Greenhouse gas treatment
Clean energy development
Thermal Engineering and Thermodynamics
Conventional energy engineering (coal, oil, natural gas, etc., without conventional power)
Energy Equipment and Energy Management
Thermal and Wind Energy Engineering
Nuclear Engineering and Hydrogen Resources
Energy Equipment and Energy Management
Thermal Energy Engineering and Wind Energy Engineering
Nuclear Energy Engineering and Hydrogen Resources
Energy Materials and Energy Technology
Energy Security and Energy Systems
Energy conversion and energy efficiency
Energy analysis and energy transfer
Energy Materials and Energy Technology
Energy security and energy systems
Energy conversion and energy efficiency
Energy analysis and energy transfer
Clean coal and fossil fuels
Biomass energy engineering
Energy saving lighting products and technologies
Mineral Resources and Mining Engineering
Oil and Gas Resource Engineering
Resource processing machinery and equipment
Hydropower, Geothermal and Tidal
Biogas and biomass energy
Hybrid energy system
New Technologies for Oil and Gas Development
New energy vehicles
Thermal and Wind Energy Engineering
Nuclear Engineering and Hydrogen Resources
Nuclear Power Technology
Thermoelectric engineering
Electric energy processing
Solar power generation
wind power generation
Distributed power generation, fuel cells, and renewable energy
Intelligent Energy Network
Distributed power generation, fuel cells, and renewable energy systems
Power and energy circuits and systems
Electricity disasters and protection
Power Electronics and Its Application in Smart Grid
Electric vehicle
DC transmission and distribution
Energy saving lighting products and technologies
New energy vehicles
Topic 2: Low carbon technology
clean energy
nuclear power
natural gas
Renewable energy
Wind energy
solar energy
biomass energy 
Water pollution control project
carbon emission
Haze pollution
New energy vehicles
Hybrid electric vehicles
Blade Electric Vehicles
Hydrogen fuel cell vehicles
Ethanol fuel vehicles
Biodiesel vehicles
Natural gas vehicle
Tree planting and afforestation
Water-saving agriculture
Organic agriculture
Sustainable development of ecological resources
Industrial structure, industrial technology, and energy conservation
Green services
Low carbon logistics
Intelligent Information Technology
green consumption 
Industrial Management and Energy Conservation
Green collaborative innovation
Green development model
Theme Three: Urban Engineering
Architectural Design and Its Theory
city planning
Building Technology Science
Urban protection and renewal
Ecological construction and intelligent control
Sustainable infrastructure
Green Building and Environmental Protection
Road planning
Intelligent construction
structural engineering 
Seismic engineering
Intelligent detection
building materials
Urban grid management
Intelligent emergency management
Urban grid management
Intelligent manufacturing
Smart City Technology
Space information technology
Information and Communication Technology (ICT) in Smart Cities
The Internet of Things in Smart Cities
5G
Smart Economy and Remote Work