- Science, Humanities and Social Sciences, multidisciplinary 5
- Science, multidisciplinary 5
- Atmospheric Protection/Air Quality Control/Air Pollution 3
- Ecotoxicology 3
- Environment, general 3
- Environmental Chemistry 3
- Environmental Health 3
- Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution 3
- Civil Engineering 1
- Geotechnical Engineering & Applied Earth Sciences 1
- Industrial Pollution Prevention 1