(The following topics include but are not limited to)
Topic 1: Environmental Engineering
ecological environment
Aquatic environment
atmospheric environment 
Land environment
Land resources and environment
Environmental Chemistry
Environmental Nanotechnology
Environmental analysis and monitoring
Environmental Analysis and Methods
Environmental Safety and Health
Environmental Engineering and Sustainable Development
Environmental Mechanics
Microbiology of Environmental Engineering 
Environmental Noise Control Engineering
Comprehensive prevention and control of environmental pollution
Topic 2: Sustainable Development
Sustainable Economic Model
Sustainable finance
Climate Economics
Social equity and sustainable development
Human Health and Environment
Green technology
smart city
Law
Technology and Engineering
Sustainable Supply Chain Management
Corporate Social Responsibility 
Sustainable Development Education
Online education
interdisciplinary study
Energy Research
Agriculture and Land Management
marine science 
Transportation
Meteorology and Disaster Management
environmental psychology
environmental ethics
Sustainable urban development
International Relations and Cooperation
Cultural Heritage and Environmental Protection
Research on Human Land Relations
Artificial Intelligence and Sustainable Development
Renewable Energy Policy
ecological agriculture
Land use change
Utilization and Protection of Marine Resources
Coastal zone management
Green transportation
Infrastructure sustainability
Natural Disaster Warning and Response
Post disaster recovery and reconstruction
Urban ecosystem management
Sustainable Community Development
Cross border environmental governance
Climate diplomacy
Conservation of Natural and Cultural Landscapes
Historical Buildings and Green Restoration
Theme 3: Green Energy
solar energy
Bioenergy
Wind energy
nuclear energy
hydrogen
coal
petroleum
Natural gas
Energy materials
Energy storage technology
Energy saving technology
Energy Chemical Engineering
Energy Security and Clean Use
Energy equipment and technology
Thermophysics and Thermal Energy Engineering
Other related topics