(Topics include but are not limited to)
renewable energy
solar energy
biomass energy 
Wind energy
Wave and tidal energy
geothermal energy
nuclear energy
Bioenergy
Hydrogen and fuel cells
Energy materials
Energy Management System
Development and utilization of energy
Nuclear Energy Engineering
Biodiesel fuel
Photovoltaic Systems and Solar Energy Engineering
Wind power generation
Solar cell technology
Energy supply scheme design and optimization
Energy industry policies
Energy Policy Equipment Technology
Energy saving technology
Coal Mining Engineering and Technology
Energy storage technology
Energy Security and Clean Utilization
Mineral Resources and Mining Engineering
Energy Equipment and Energy Management
Energy Conversion and Energy Efficiency
New energy vehicles
Oil and Gas Resources Engineering
Groundwater remediation
Groundwater management
Water Resources and Watershed Management
Management Practice
Establishment of water quality target standards
Water quality classification
Wastewater and sludge treatment
Sludge treatment and reuse
global warming
Ozone layer depletion
Carbon capture and storage
Biofuels
Air Pollution and Control
Air emissions trading
Solid waste management
Optimization of the collection system
Recycling and reusing
Stable prices of waste
resource management