| Engineering, Technology and Energy | 2021-2025 | 843 | IN 19 | 99.77 |
| Environmental Science and Ecology | 2021-2025 | 699 | IN 14 | 99.35 |
| Building and Construction | Lifetime | 74 | IN 2 | 99.73 |
| Industrial Environmental Engineering | Lifetime | 182 | IN 4 | 98.64 |
| Water Science and Technology | Lifetime | 343 | IN 13 | 98.96 |
| Pollution | Lifetime | 277 | IN 4 | 98.37 |
| Renewable Energy, Sustainability and the Environment | Lifetime | 797 | IN 20 | 97.21 |
| Building and Construction | 2021-2025 | 45 | IN 1 | 99.57 |
| Biomedical Engineering | 2021-2025 | 150 | IN 9 | 99.34 |
| Renewable Energy, Sustainability and the Environment | 2021-2025 | 461 | IN 10 | 96.64 |
| Water Science and Technology | 2021-2025 | 305 | IN 10 | 96.18 |
| Industrial Environmental Engineering | 2021-2025 | 167 | IN 3 | 94.30 |
| Pollution | 2021-2025 | 327 | IN 9 | 93.66 |
| Environmental Engineering | 2021-2025 | 431 | IN 6 | 92.07 |
| Biomaterials | 2021-2025 | 504 | IN 18 | 81.11 |
| Anaerobic Digestion and Biogas Production | Lifetime | 29 | IN 2 | 99.60 |
| Biofuel production and bioconversion | Lifetime | 143 | IN 7 | 99.34 |
| Wastewater Treatment and Nitrogen Removal | Lifetime | 91 | IN 2 | 99.32 |
| Membrane Separation Technologies | Lifetime | 188 | IN 4 | 98.95 |
| Phosphorus and nutrient management | Lifetime | 87 | IN 4 | 98.66 |
| Algal biology and biofuel production | Lifetime | 227 | IN 11 | 98.44 |
| Water-Energy-Food Nexus Studies | Lifetime | 131 | IN 2 | 97.52 |
| Water Quality Monitoring Technologies | Lifetime | 246 | IN 10 | 96.54 |
| Constructed Wetlands for Wastewater Treatment | Lifetime | 272 | IN 8 | 96.39 |
| Microbial Fuel Cells and Bioremediation | Lifetime | 344 | IN 14 | 96.62 |
| Water Quality Monitoring and Analysis | Lifetime | 732 | IN 23 | 95.76 |
| Solar-Powered Water Purification Methods | Lifetime | 484 | IN 34 | 93.96 |
| Catalysis for Biomass Conversion | Lifetime | 906 | IN 36 | 94.51 |
| Wastewater Treatment and Reuse | Lifetime | 734 | IN 33 | 90.03 |
| Biofuel production and bioconversion | 2021-2025 | 8 | IN 2 | 99.78 |
| Anaerobic Digestion and Biogas Production | 2021-2025 | 4 | IN 1 | 99.68 |
| Algal biology and biofuel production | 2021-2025 | 24 | IN 4 | 99.00 |
| Catalysis for Biomass Conversion | 2021-2025 | 52 | IN 5 | 98.14 |
| Microbial Metabolic Engineering and Bioproduction | 2021-2025 | 97 | IN 6 | 97.56 |
| biodegradable polymer synthesis and properties | 2021-2025 | 420 | IN 18 | 94.42 |
| Microbial Fuel Cells and Bioremediation | 2021-2025 | 185 | IN 16 | 93.79 |
| Membrane Separation Technologies | 2021-2025 | 544 | IN 19 | 94.23 |
| Wastewater Treatment and Nitrogen Removal | 2021-2025 | 449 | IN 2 | 92.00 |
| Phosphorus and nutrient management | 2021-2025 | 263 | IN 5 | 88.67 |
| Biodiesel Production and Applications | 2021-2025 | 582 | IN 161 | 89.36 |
| Municipal Solid Waste Management | 2021-2025 | 303 | IN 22 | 87.48 |
| Food Industry and Aquatic Biology | 2021-2025 | 609 | IN 4 | 81.35 |
| Water Quality Monitoring and Analysis | 2021-2025 | 947 | IN 42 | 72.96 |
