(Topics include but are not limited to)
Topic 1: Environmental Engineering
Environmental Chemistry and Biology
Environmental protection materials
Environmental safety and health
Environmental planning and assessment
Environmental analysis and monitoring
Environmental remediation projects
Pollution control projects
Waste treatment and recycling
Water supply and drainage engineering
Noise and vibration control
Clean production process,
Hydrology and Water Resources Engineering
Building Environment and Equipment Engineering
Soil and water conservation and desertification control
Ecological environment protection
Forest cultivation and protection
plant protection
Geographic Information and Remote Sensing Science
Land, Resources and Environment, and Urban Rural Planning
Energy conservation, environmental protection, and low-carbon concepts
Urban and Regional Planning
Development and Management of Source Industries
Environmental protection and economic development
Other related topics
Topic 2: Waste utilization
Renewable energy, including modeling, operation, control, and integration
Solar power generation system
Integration of renewable energy technologies and smart grids
Energy and Power Engineering
Energy efficiency and management
Energy storage, fuel cell technology and trends
Energy and Environment
Mineral Engineering
petroleum engineering 
Metallurgical engineering
Rare earth engineering
Ocean engineering
Tower installation engineering
methane
solar energy
Gas transmission and distribution engineering
Photovoltaic power generation
Offshore wind power
New energy vehicles
Charging station
heat pump
Energy Storage Systems and Technologies
Transmission and Distribution and Microgrid
Smart Grid and Smart City
Energy Internet
Energy planning and allocation
Energy storage and management
Other related topics
Topic 3: Materials and Energy
Energy saving technology
Coal Mine Engineering and Technology
Energy storage technology
renewable energy
Thermal and Power Engineering
Energy Engineering and Environmental Engineering
Renewable energy technologies and systems
Energy security and clean utilization
Mineral Resources and Mining Engineering
Solar related technologies and applications
Alternative fuels
Nuclear Power Technology
Greenhouse gas treatment
Clean energy development
Thermal Engineering and Thermodynamics
Traditional energy engineering (coal, oil, natural gas, etc. without traditional electricity)
Energy in buildings
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
Clean coal and fossil fuels
Biomass energy engineering
Energy Chemical Engineering
Energy saving lighting products and technologies
New energy vehicles
Oil and Gas Resource Engineering
Machines and equipment for resource processing
Hydroelectric power generation, geothermal and tidal power generation
Biogas and biomass energy
Hybrid energy system
New Technologies for Oil and Gas Development
Solar power generation
wind power generation
Other related topics