(The following topics include but are not limited to)
Topic 1: Environment
Climate Change and Atmospheric Science
Hydrology and Water Resources
Soil and Earth Sciences
Biodiversity and ecosystems
Environmental pollution control and governance
Sustainable Energy and Environment
Environmental Health and Risk Assessment
Resource Recycling and Waste Management
Environmental Law and Policy
Marine Environmental Science
Environmental Psychology and Behavioral Science
Urban Environment and Planning
Industrial Ecology and Green Engineering
Environmental Education and Communication
Agricultural Environmental Science
Natural resource management
Environmental Information Technology
Radioactive substances and environment
Natural disasters and environmental impacts
Sustainable Development and Environmental Management
Environmental modeling and simulation
Environmental Technology and Innovation Research and Development
Energy System and Environmental Impact
Polar and Alpine Environments
Natural Resource Economics
Comprehensive risk management
Topic 2: Pollution Control
Greenhouse effect and climate change
Pollution control, prevention and treatment technology
Environmental Engineering and Sustainable Development
Environmental Mechanics
Environmental pollution and health issues
Microbiology of Environmental Engineering 
Environmental Noise Control Engineering
Comprehensive prevention and control of environmental pollution
Meteorology and Hydrology
Green Manufacturing and Technology
renewable energy
Soil Pollution and Control
Air pollution and treatment
Water pollution and its control
Electromagnetic radiation control
Thermal pollution control
Power plant water treatment technology
Monitoring and analysis of pollutants
Theme 3: Green Energy
Renewable energy technologies and systems
energy management
wind engineering 
water resource
Nuclear Energy Engineering
Hydrogen energy resources
Hydrogen and fuel cells
Energy materials
Clean coal and fossil fuels
Biomass Energy Engineering
Storage Technology
Energy saving technology
Energy Chemical Engineering
Energy equipment
Green building materials
Energy Security
Energy saving lighting products and technologies
New energy vehicles
electric vehicle
Energy Security and Clean Utilization
Green energy system
Green power production and cogeneration
Wind power generation control
Electrical Automation and Power Engineering
Mechanical Automation Engineering