Energy Science: Renewable Energy Rural Electrification Fuels and Combustion Alternative Fuels Energy Storage Technology Energy Chemical Engineering Oil and Gas Resources Engineering Hybrid Energy Systems Integrated Energy Systems Advanced Energy Technologies Biogas and Biomass Energy Environmental Engineering: Environmental Protection Materials Pollution Control Environmental management Water quality modeling Water supply and drainage engineering Water resources management Environmental restoration engineering Pollution control engineering Ecosystem management Solid waste management Wastewater discharge management Environmental nanotechnology Environmental remote sensing application Water treatment and reclamation [The research fields include but are not limited to the above topics]