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Top 10 research directions.
| Rank | Research directions | Number of records | Percentile |
|---|---|---|---|
| 1 | Environmental Sciences | 352 | 38.72% |
| 2 | Energy Fuels | 227 | 24.97% |
| 3 | Green Sustainable Science Technology | 178 | 19.582% |
| 4 | Environmental Studies | 115 | 12.65% |
| 5 | Engineering Environmental | 92 | 10.12% |
| 6 | Engineering Chemical | 51 | 5.61% |
| 7 | Construction Building Technology | 35 | 3.850% |
| 8 | Thermodynamics | 35 | 3.850% |
| 9 | Engineering Civil | 34 | 3.74% |
| 10 | Chemistry Multidisciplinary | 31 | 3.41% |
