(The following topics include but are not limited to)
Theme 1: Climate Change
Atmospheric Science
climatology
geography
ecology
marine science 
Resource and Environmental Economics
chemistry
biology
physics
sustainable development
Carbon neutrality
New Energy Science and Engineering
Topic 2: Ecosystem
Ecological Environment Restoration and Protection
sustainable development
Environmental pollution control and engineering
environmental monitoring
Environmental remediation
Wetlands and aquatic ecosystems
Hydrology and Water Resources Engineering
Soil and water conservation and desertification prevention and control
Energy saving, environmental protection, and low-carbon technologies
Climate change and global warming
Waste treatment and recycling
Noise treatment engineering
air pollution
Topic 3: Environmental Resources
Groundwater remediation
Groundwater management
Water Resources and Basin Management
Management Practice
Development of water quality target standards
Water quality classification
Sewage and sludge treatment
Sludge treatment and reuse
global warming
Ozone depletion
Carbon capture and storage
Biofuels
Air pollution and control
Air emissions trading
Solid waste management
Optimization of collection system
Recycling and reuse
Stable prices of waste
resource management
Technical aspects of treatment and disposal methods (landfill, heat treatment, etc.)
Management of hazardous solid waste