- Environmental Engineering/Biotechnology 7
- Geotechnical Engineering & Applied Earth Sciences 7
- Geoengineering, Foundations, Hydraulics 6
- Soil Science & Conservation 6
- Geography, general 3
- Geomorphology 3
- Biogeosciences 2
- Environmental Science and Engineering 2
- Geochemistry 2
- Geology 2
- Hydrology/Water Resources 2
- Terrestrial Pollution 2
- Building Materials 1
- Civil Engineering 1
- Manufacturing, Machines, Tools, Processes 1
- Materials Science, general 1
- Natural Hazards 1
- Remote Sensing/Photogrammetry 1
- Solid Mechanics 1
- Theoretical and Applied Mechanics 1