| Environmental Science and Ecology | Lifetime | 54 | CN 6 | 99.98 |
| Engineering, Technology and Energy | Lifetime | 647 | CN 199 | 99.89 |
| Environmental Science and Ecology | 2021-2025 | 189 | CN 86 | 99.83 |
| Building and Construction | Lifetime | 25 | CN 9 | 99.91 |
| Pollution | Lifetime | 16 | CN 7 | 99.94 |
| Water Science and Technology | Lifetime | 29 | CN 6 | 99.93 |
| Environmental Engineering | Lifetime | 49 | CN 15 | 99.73 |
| Industrial Environmental Engineering | Lifetime | 38 | CN 11 | 99.68 |
| Biomedical Engineering | Lifetime | 277 | CN 73 | 99.62 |
| Renewable Energy, Sustainability and the Environment | Lifetime | 226 | CN 97 | 99.45 |
| Environmental Chemistry | Lifetime | 964 | CN 147 | 89.67 |
| Electrochemistry | Lifetime | 458 | CN 49 | 88.29 |
| Energy Materials and Devices | Lifetime | 397 | CN 225 | 87.31 |
| Catalysis | Lifetime | 854 | CN 225 | 80.04 |
| Water Science and Technology | 2021-2025 | 52 | CN 20 | 99.48 |
| Renewable Energy, Sustainability and the Environment | 2021-2025 | 165 | CN 105 | 99.17 |
| Biomedical Engineering | 2021-2025 | 368 | CN 207 | 98.17 |
| Materials Chemistry | 2021-2025 | 635 | CN 397 | 97.19 |
| Environmental Engineering | 2021-2025 | 232 | CN 97 | 96.26 |
| Pollution | 2021-2025 | 488 | CN 214 | 88.00 |
| Wastewater Treatment and Nitrogen Removal | Lifetime | 3 | CN 1 | 99.97 |
| Anaerobic Digestion and Biogas Production | Lifetime | 3 | CN 1 | 99.92 |
| Microbial Fuel Cells and Bioremediation | Lifetime | 6 | CN 1 | 99.89 |
| Membrane Separation Technologies | Lifetime | 18 | CN 5 | 99.84 |
| Biofuel production and bioconversion | Lifetime | 88 | CN 9 | 99.54 |
| Water Quality Monitoring and Analysis | Lifetime | 49 | CN 11 | 99.43 |
| Advanced oxidation water treatment | Lifetime | 42 | CN 18 | 99.51 |
| Electrochemical sensors and biosensors | Lifetime | 112 | CN 34 | 99.46 |
| Advanced Photocatalysis Techniques | Lifetime | 256 | CN 165 | 99.57 |
| Constructed Wetlands for Wastewater Treatment | Lifetime | 33 | CN 10 | 99.18 |
| Electrochemical Analysis and Applications | Lifetime | 409 | CN 91 | 98.82 |
| Adsorption and biosorption for pollutant removal | Lifetime | 206 | CN 61 | 98.86 |
| Water Quality Monitoring Technologies | Lifetime | 102 | CN 20 | 98.12 |
| Supercapacitor Materials and Fabrication | Lifetime | 469 | CN 308 | 99.01 |
| Water Treatment and Disinfection | Lifetime | 114 | CN 31 | 98.62 |
| Phosphorus and nutrient management | Lifetime | 107 | CN 23 | 98.43 |
| Nanomaterials for catalytic reactions | Lifetime | 350 | CN 145 | 98.47 |
| Electrocatalysts for Energy Conversion | Lifetime | 984 | CN 540 | 98.26 |
| Ammonia Synthesis and Nitrogen Reduction | Lifetime | 335 | CN 151 | 97.26 |
| TiO2 Photocatalysis and Solar Cells | Lifetime | 536 | CN 195 | 97.78 |
| Environmental remediation with nanomaterials | Lifetime | 191 | CN 96 | 97.52 |
| Water-Energy-Food Nexus Studies | Lifetime | 171 | CN 27 | 97.12 |
| Coagulation and Flocculation Studies | Lifetime | 66 | CN 14 | 96.92 |
| Membrane-based Ion Separation Techniques | Lifetime | 305 | CN 96 | 97.22 |
| Graphene and Nanomaterials Applications | Lifetime | 859 | CN 349 | 95.68 |
| Chromium effects and bioremediation | Lifetime | 636 | CN 125 | 90.87 |
| Electrochemical Analysis and Applications | 2021-2025 | 53 | CN 26 | 98.67 |
| Advanced Photocatalysis Techniques | 2021-2025 | 190 | CN 134 | 99.41 |
| Advanced oxidation water treatment | 2021-2025 | 34 | CN 26 | 99.13 |
| Catalytic Processes in Materials Science | 2021-2025 | 210 | CN 155 | 98.61 |
| Microbial Fuel Cells and Bioremediation | 2021-2025 | 33 | CN 19 | 98.14 |
| Electrocatalysts for Energy Conversion | 2021-2025 | 957 | CN 711 | 96.82 |
| Wastewater Treatment and Nitrogen Removal | 2021-2025 | 476 | CN 377 | 91.61 |
| Catalysis for Biomass Conversion | 2021-2025 | 636 | CN 385 | 88.59 |
| Ammonia Synthesis and Nitrogen Reduction | 2021-2025 | 953 | CN 742 | 87.41 |
| Geochemistry and Elemental Analysis | 2021-2025 | 678 | CN 405 | 86.34 |
| Membrane-based Ion Separation Techniques | 2021-2025 | 686 | CN 387 | 86.83 |
| Environmental remediation with nanomaterials | 2021-2025 | 528 | CN 427 | 85.46 |
| Water Treatment and Disinfection | 2021-2025 | 550 | CN 376 | 83.51 |
| Water Quality Monitoring and Analysis | 2021-2025 | 812 | CN 384 | 75.52 |
| Iron oxide chemistry and applications | 2021-2025 | 785 | CN 348 | 69.81 |
