- Earth Sciences, general 2
- Atmospheric Protection/Air Quality Control/Air Pollution 1
- Atmospheric Sciences 1
- Biogeosciences 1
- Environmental Science and Engineering 1
- Geochemistry 1
- Geology 1
- Hydrology/Water Resources 1
- Remote Sensing/Photogrammetry 1
- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) 1
- Terrestrial Pollution 1