| Municipal Solid Waste Management | Lifetime | 7 | CN 3 | 99.69 |
| Recycling and Waste Management Techniques | Lifetime | 29 | CN 7 | 99.47 |
| Anaerobic Digestion and Biogas Production | Lifetime | 33 | CN 9 | 99.54 |
| Landfill Environmental Impact Studies | Lifetime | 21 | CN 3 | 99.10 |
| Wastewater Treatment and Nitrogen Removal | Lifetime | 102 | CN 32 | 99.27 |
| Odor and Emission Control Technologies | Lifetime | 33 | CN 4 | 98.64 |
| Composting and Vermicomposting Techniques | Lifetime | 30 | CN 10 | 98.94 |
| Constructed Wetlands for Wastewater Treatment | Lifetime | 54 | CN 20 | 98.76 |
| Microplastics and Plastic Pollution | Lifetime | 172 | CN 53 | 98.63 |
| Recycling and utilization of industrial and municipal waste in materials production | Lifetime | 98 | CN 23 | 98.58 |
| Biofuel production and bioconversion | Lifetime | 727 | CN 132 | 97.84 |
| Water Quality Monitoring and Analysis | Lifetime | 427 | CN 84 | 97.19 |
| Membrane Separation Technologies | Lifetime | 620 | CN 248 | 97.08 |
| Phosphorus and nutrient management | Lifetime | 301 | CN 71 | 96.70 |
| Environmental remediation with nanomaterials | Lifetime | 305 | CN 157 | 96.52 |
| Coal and Its By-products | Lifetime | 300 | CN 116 | 95.78 |
| Food Waste Reduction and Sustainability | Lifetime | 162 | CN 7 | 95.25 |
| Wastewater Treatment and Reuse | Lifetime | 291 | CN 19 | 95.14 |
| Recycled Aggregate Concrete Performance | Lifetime | 602 | CN 153 | 92.86 |
| Microbial metabolism and enzyme function | Lifetime | 571 | CN 26 | 86.83 |
| Healthcare and Environmental Waste Management | Lifetime | 569 | CN 37 | 82.58 |
| Municipal Solid Waste Management | 2021-2025 | 18 | CN 6 | 98.24 |
| Anaerobic Digestion and Biogas Production | 2021-2025 | 40 | CN 25 | 98.05 |
| Recycling and Waste Management Techniques | 2021-2025 | 167 | CN 65 | 97.28 |
| Microplastics and Plastic Pollution | 2021-2025 | 445 | CN 191 | 95.55 |
| Odor and Emission Control Technologies | 2021-2025 | 40 | CN 17 | 91.63 |
| Advanced Chemical Sensor Technologies | 2021-2025 | 787 | CN 449 | 90.53 |
| Wastewater Treatment and Nitrogen Removal | 2021-2025 | 976 | CN 739 | 85.22 |
| Food Waste Reduction and Sustainability | 2021-2025 | 520 | CN 29 | 77.95 |
| Industrial Gas Emission Control | 2021-2025 | 576 | CN 434 | 73.68 |
| Healthcare and Environmental Waste Management | 2021-2025 | 364 | CN 30 | 70.63 |
| Landfill Environmental Impact Studies | 2021-2025 | 522 | CN 224 | 60.43 |
