- Geotechnical Engineering & Applied Earth Sciences 8
- Energy Systems 7
- Energy Storage 6
- Engineering Thermodynamics, Heat and Mass Transfer 6
- Environmental Science and Engineering 6
- Renewable and Green Energy 6
- Geology 5
- Biogeosciences 4
- Geochemistry 4
- Hydrology/Water Resources 4
- Terrestrial Pollution 4
- Simulation and Modeling 3
- Computational Mathematics and Numerical Analysis 2
- Geoengineering, Foundations, Hydraulics 2
- Math Applications in Computer Science 2
- Math. Appl. in Environmental Science 2
- Numerical and Computational Physics, Simulation 2
- Quantitative Geology 2
- Analytical Chemistry 1
- Environmental Physics 1