Subfield
- Water Science and Technology12
- Geochemistry and Petrology8
- Mechanics of Materials8
- Safety, Risk, Reliability and Quality7
- Pollution6
- Global and Planetary Change5
- Environmental Chemistry4
- Civil and Structural Engineering3
- Environmental Engineering3
- General Engineering3
- Building and Construction2
- Electrochemistry2
- Fuel Technology2
- Gender Studies2
- Geophysics2
- Soil Science2
- Waste Management and Disposal2
- Atmospheric Science1
- Business and International Management1
- Development1