(Topics include but are not limited to)
Topic 1: Environmental Science
Environmental Chemistry and Biology
Environmental protection materials
Environmental Safety and Health
Environmental planning and assessment
Environmental analysis and monitoring
Environmental remediation project
Pollution control project
Waste disposal 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
Energy conservation, environmental protection and low-carbon concept
Urban and Regional Planning
Development and Management of Source Industries
Environmental Protection and Economic Development
Land, Resources and Environment, and Urban Rural Planning
Other related topics
Topic 2: Urban Planning
city management 
Regional policies
regional planning
Architectural design
environmental protection
Art Design and Landscape Architecture
Scenic spot development
urban modernization 
smart city
traffic control
infrastructure
Urban Protection and Renewal
Theme 3: Green Transportation
Frontiers of Green Transportation Policies
Innovation in low-carbon travel solutions
Development of new energy transportation vehicles
Intelligent Transportation and Environmental Protection
Green Transportation Urban Planning
Transportation energy-saving and emission reduction technology
Green transformation of public transportation
Promotion of Cycling and Walking Culture