(The following topics include but are not limited to)
Topic 1: Earth Science
Atmospheric Science
Atmospheric Physics
Atmospheric Chemistry
Atmospheric Environment Science
Atmospheric detection
Atmospheric remote sensing
Dynamic meteorology
Weather Science
climatology
Atmospheric boundary layer physics
Physics of Clouds and Precipitation
Applied Meteorology
Gravity of the earth
Earth Fluid Dynamics
geology
seismology
Solid state geophysics
Geodynamics
Geophysics
Physics of the Earth's Interior
Geoacoustics
Geothermal Science
geoelectricity 
Geomagnetism
Radioactive geophysics
Exploration Geophysics
Experimental Geophysics
Space Physics
High-level electrical physics
Geochemistry
Space Environment Studies
Elemental geochemistry
Organic geochemistry
Radioactive geochemistry
Isotope geochemistry
Biogeochemistry
Chemistry of the Earth's Interior
Ore-forming geochemistry
Exploration geochemistry
Experimental geochemistry
Energy geochemistry
Topic 2: Environmental Sustainability
Aquatic environment
atmospheric environment 
Land environment
ecological environment
Environmental Chemistry
Land resources and environment
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
Groundwater remediation
Groundwater management
Water Resources and Watershed Management
Management Practice
Establishment of water quality target standards
Water quality classification
Wastewater and sludge treatment
Sludge treatment and reuse
global warming
Ozone layer depletion
Carbon capture and storage
Biofuels
Air Pollution and Control
Air emissions trading
Solid waste management
Optimization of the collection system
Recycling and reusing
Stable prices of waste
resource management
Technical aspects of handling and disposal methods (landfill, heat treatment, etc.)
Management of hazardous solid waste
Sustainability of Society and Environment
Other related topics