(The following topics include but are not limited to)
Topic 1: Environmental Pollution
Environmental Engineering
sewage treatment
Environmental pollution control technology
Environmental remediation technology
Air pollution control project
Sustainable utilization of water resources and comprehensive treatment of water pollution
Soil Health and Soil Pollution Control
Water conservancy and civil engineering
Solid waste treatment and resource utilization
Environmental monitoring and early warning
Radioactive contamination control
Comprehensive prevention and control of environmental pollution
Electromagnetic radiation control
Thermal pollution control
Microbiology of Environmental Engineering 
Environmental Noise Control Engineering
Power plant water treatment technology
environmental sanitation
Topic 2: Environmental Monitoring
Air pollution control
Air quality monitoring and improvement
Industrial waste gas purification
Atmospheric environment monitoring and pollution control
Carbon Emission Monitoring and Reduction Technologies
Ecosystem monitoring
water quality monitoring
Water quality monitoring methods
soil remediation
Pollutant analysis technology
Species diversity monitoring
Noise Monitoring and Control Technology
The Application of Remote Sensing Technology in Environmental Monitoring
Environmental Monitoring and Big Data Technology
Topic 3: Agricultural Economy
Agricultural and Forestry Economic Management
Rural regional development
rural governance
Analysis of Rural Situation and Policies
Rural property rights system
Rural land issues
Rural Human Capital and Labor Transfer
Agricultural investment and growth
Food issues
Food quality and safety
Sustainable development
Rural financial insurance
Departmental Economy
regional economy
poverty issue
Farmers' income and consumption
urbanization of villages
Circulation and trade of agricultural products
Rural Finance and Public Product Supply
Rural organizational system
Agricultural technological progress
Foreign Agriculture and World Agriculture
Urban Design and Public Space