Topic 1: Energy and Resources
Renewable energy
Solar energy
Biomass energy
Wind energy
Wave and tidal energy
Geothermal energy
Nuclear energy
Bioenergy
Hydrogen and fuel cells
Energy materials
Energy Management System
Development and utilization of energy
Nuclear Energy Engineering
Biodiesel fuel
Photovoltaic Systems and Solar Energy Engineering
Wind power generation
Solar cell technology
Energy supply scheme design and optimization
Energy industry policies
Energy Policy Equipment Technology
Energy saving technology
Coal Mining Engineering and Technology
Energy storage technology
Energy Security and Clean Utilization
Mineral Resources and Mining Engineering
Energy Equipment and Energy Management
Energy Conversion and Energy Efficiency
New energy vehicle
Oil and Gas Resources Engineering
Hybrid energy system
New technologies for oil and gas development, etc
Topic 2: Environment
Pollution control
Ecosystem management
Solid waste management
Environmental Management
Water resources management
Wastewater discharge management
Water quality modeling
Environmental Nanotechnology
Geographic Information Systems, Statistics, and Remote Sensing
Environmental remote sensing applications
GIS is used for environmental assessment
Wastewater and sludge treatment
Water treatment and reclamation
Industrial wastewater treatment
Wetland for wastewater treatment
Ecosystem restoration
Biological filtration of harmful gases
Soil remediation/plant remediation
Topic Three: Remote Sensing
Surveying and mapping
Theories related to navigation and oblique photography
Techniques and Methods
Remote Sensing (RS)
Optical Remote Sensing
Microwave Remote Sensing
Remote sensing of atmospheric environment
Planetary Remote Sensing and Mapping
Cryosphere and hydrosphere
Geographic Information Science
Remote Sensing Information Engineering
Spatial Database
Earth Monitoring and Mapping
Space Technology and Landscape Architecture
Classification and Data Mining Techniques
Image processing techniques 
Hyperspectral image processing
Remote sensing data fusion
Remote sensing data quality
Remote sensing mode analysis