| Environmental Science and Ecology | Lifetime | 424 | US 159 | 99.88 |
| Environmental Science and Ecology | 2021-2025 | 351 | US 35 | 99.69 |
| Environmental Engineering | Lifetime | 50 | US 9 | 99.73 |
| Environmental Chemistry | Lifetime | 63 | US 26 | 99.45 |
| Ocean Engineering | Lifetime | 117 | US 48 | 99.31 |
| Health, Toxicology and Mutagenesis | Lifetime | 365 | US 135 | 98.53 |
| Civil and Structural Engineering | Lifetime | 696 | US 162 | 98.38 |
| Water Science and Technology | Lifetime | 629 | US 131 | 97.76 |
| Geochemistry and Petrology | Lifetime | 220 | US 83 | 97.01 |
| Pollution | Lifetime | 428 | US 73 | 97.19 |
| Industrial Environmental Engineering | Lifetime | 561 | US 107 | 95.05 |
| Environmental Chemistry | 2021-2025 | 18 | US 3 | 99.34 |
| Health, Toxicology and Mutagenesis | 2021-2025 | 94 | US 24 | 98.75 |
| Water Science and Technology | 2021-2025 | 721 | US 59 | 85.79 |
| Groundwater flow and contamination studies | Lifetime | 8 | US 2 | 99.80 |
| Enhanced Oil Recovery Techniques | Lifetime | 35 | US 17 | 99.44 |
| Groundwater and Isotope Geochemistry | Lifetime | 35 | US 17 | 99.42 |
| Soil and Unsaturated Flow | Lifetime | 47 | US 16 | 99.46 |
| Toxic Organic Pollutants Impact | Lifetime | 96 | US 26 | 99.43 |
| Hydraulic Fracturing and Reservoir Analysis | Lifetime | 151 | US 71 | 99.25 |
| Per- and polyfluoroalkyl substances research | Lifetime | 28 | US 5 | 99.22 |
| Landfill Environmental Impact Studies | Lifetime | 29 | US 12 | 98.64 |
| CO2 Sequestration and Geologic Interactions | Lifetime | 85 | US 29 | 98.71 |
| Geophysical and Geoelectrical Methods | Lifetime | 130 | US 44 | 98.31 |
| Environmental remediation with nanomaterials | Lifetime | 143 | US 28 | 98.17 |
| Microbial bioremediation and biosurfactants | Lifetime | 173 | US 56 | 97.95 |
| Fluoride Effects and Removal | Lifetime | 114 | US 30 | 96.52 |
| Radioactive element chemistry and processing | Lifetime | 820 | US 288 | 96.55 |
| Carbon Dioxide Capture Technologies | Lifetime | 394 | US 63 | 96.33 |
| Pesticide and Herbicide Environmental Studies | Lifetime | 637 | US 216 | 95.34 |
| Advanced oxidation water treatment | Lifetime | 751 | US 56 | 95.32 |
| Arsenic contamination and mitigation | Lifetime | 817 | US 165 | 92.77 |
| Chemical Analysis and Environmental Impact | Lifetime | 205 | US 113 | 90.32 |
| Fecal contamination and water quality | Lifetime | 322 | US 165 | 91.77 |
| Methemoglobinemia and Tumor Lysis Syndrome | Lifetime | 154 | US 74 | 89.81 |
| Per- and polyfluoroalkyl substances research | 2021-2025 | 5 | US 2 | 99.07 |
| Toxic Organic Pollutants Impact | 2021-2025 | 19 | US 3 | 99.10 |
| Fluoride Effects and Removal | 2021-2025 | 16 | US 1 | 96.77 |
| Chemical Analysis and Environmental Impact | 2021-2025 | 7 | US 3 | 93.84 |
| Carbon Dioxide Capture Technologies | 2021-2025 | 172 | US 16 | 94.43 |
| Groundwater flow and contamination studies | 2021-2025 | 114 | US 21 | 95.13 |