| Environmental Science and Ecology | Lifetime | 6 | US 4 | 100.00 |
| Chemistry | Lifetime | 340 | US 144 | 99.75 |
| Environmental Science and Ecology | 2021-2025 | 739 | US 79 | 99.29 |
| Environmental Engineering | Lifetime | 1 | US 1 | 100.00 |
| Inorganic and Nuclear Chemistry | Lifetime | 1 | US 1 | 99.91 |
| Environmental Chemistry | Lifetime | 60 | US 25 | 99.52 |
| Geochemistry and Petrology | Lifetime | 41 | US 19 | 99.36 |
| Pollution | Lifetime | 93 | US 19 | 99.51 |
| Building and Construction | Lifetime | 337 | US 61 | 98.86 |
| Ecology | Lifetime | 520 | US 221 | 98.81 |
| Environmental Engineering | 2021-2025 | 66 | US 5 | 99.02 |
| Ecology | 2021-2025 | 983 | US 226 | 81.22 |
| Radioactive element chemistry and processing | Lifetime | 1 | US 1 | 99.99 |
| Geochemistry and Elemental Analysis | Lifetime | 1 | US 1 | 99.98 |
| Metal Extraction and Bioleaching | Lifetime | 1 | US 1 | 99.96 |
| Microbial Fuel Cells and Bioremediation | Lifetime | 1 | US 1 | 99.99 |
| Electrochemical sensors and biosensors | Lifetime | 13 | US 5 | 99.90 |
| Mine drainage and remediation techniques | Lifetime | 2 | US 2 | 99.83 |
| Microbial Community Ecology and Physiology | Lifetime | 14 | US 8 | 99.91 |
| Methane Hydrates and Related Phenomena | Lifetime | 25 | US 10 | 99.74 |
| Microbial bioremediation and biosurfactants | Lifetime | 8 | US 3 | 99.76 |
| Anaerobic Digestion and Biogas Production | Lifetime | 13 | US 2 | 99.81 |
| Chromium effects and bioremediation | Lifetime | 13 | US 5 | 99.57 |
| Wastewater Treatment and Nitrogen Removal | Lifetime | 140 | US 20 | 99.09 |
| Hydrocarbon exploration and reservoir analysis | Lifetime | 355 | US 102 | 98.73 |
| Supercapacitor Materials and Fabrication | Lifetime | 599 | US 40 | 98.81 |
| Atmospheric and Environmental Gas Dynamics | Lifetime | 551 | US 284 | 98.58 |
| Bacterial biofilms and quorum sensing | Lifetime | 466 | US 173 | 97.44 |
| CO2 Sequestration and Geologic Interactions | Lifetime | 276 | US 91 | 96.96 |
| Corrosion Behavior and Inhibition | Lifetime | 764 | US 88 | 96.58 |
| CO2 Reduction Techniques and Catalysts | Lifetime | 628 | US 128 | 95.22 |
| Microbial metabolism and enzyme function | Lifetime | 845 | US 217 | 82.04 |
| Microbial Fuel Cells and Bioremediation | 2021-2025 | 34 | US 1 | 98.13 |
| Bacterial biofilms and quorum sensing | 2021-2025 | 105 | US 15 | 95.36 |
| Corrosion Behavior and Inhibition | 2021-2025 | 239 | US 8 | 96.10 |
| Anaerobic Digestion and Biogas Production | 2021-2025 | 232 | US 8 | 92.70 |
| Microbial Community Ecology and Physiology | 2021-2025 | 811 | US 115 | 92.12 |
| Metal Extraction and Bioleaching | 2021-2025 | 406 | US 11 | 90.74 |
| Water Treatment and Disinfection | 2021-2025 | 474 | US 47 | 85.11 |
