| Similarity | Rank | |
|---|---|---|
| fracking | 0.810 | 11122 |
| hydraulic_fracture | 0.743 | 33483 |
| shale_gas | 0.691 | 37644 |
| tar_sand | 0.602 | 46054 |
| shale | 0.600 | 37008 |
| Drilling | 0.596 | 80548 |
| drilling | 0.570 | 10785 |
| Natural_Gas | 0.565 | 51686 |
| Big_Oil | 0.556 | 68370 |
| Peak_Oil | 0.546 | 75241 |
| coal_mining | 0.546 | 44011 |
| Marcellus | 0.542 | 79003 |
| oil_and_gas_development | 0.539 | 94930 |
| Coal | 0.535 | 37426 |
| Groundwater | 0.529 | 56268 |
| the_coal_industry | 0.527 | 51132 |
| fossil_fuel | 0.526 | 9239 |
| driller | 0.522 | 83065 |
| coal | 0.519 | 3568 |
| oil_sand | 0.517 | 85986 |
| natural_gas | 0.516 | 5419 |
| uranium_mining | 0.513 | 93344 |
| Uranium | 0.510 | 74440 |
| methane | 0.506 | 14641 |
| the_fossil_fuel_industry | 0.505 | 74590 |