- Energy

· Renewable energy systems

· Solar energy

· Biomass

· Wind energy

· Wave and tidal energy

· Geothermal energy

· Nuclear energy

· Bioenergy

· Hydrogen and fuel cells

· Energy storage technologies

· Energy conservation technologies

· Energy efficiency

- Materials

· Environmental materials

· Nanomaterials

· New energy materials

· Biomaterials and biological devices

· Electronic and magnetic materials

· Composite, hybrid and multifunctional materials

· Photovoltaic materials

- Environment

· Pollution control

· Ecosystems management

· Solid waste management

· Environmental management

· Water resources management

· Wastewater discharge management

· Water quality modeling

· Environmental nanotechnology

· GIS, statistics and remote sensing

· Environmental remote sensing applications

· GIS for environmental assessment

· Wastewater and sludge treatment

· Water treatment and reclamation

· Industrial wastewater treatment

· Wetlands for wastewater treatment

· Ecosystem restoration

· Biofiltration of harmful gases

· Soil remediation / phytoremediation