| from landfills | 4 | location |
| than escaping into the atmosphere | 2 | manner |
| methane → be → harvested | 11 |
| methane → be → harnessed | 4 |
| negative | neutral | positive |
| 0.315 | 0.556 | 0.129 |
| Raw frequency | 15 |
| Normalized frequency | 0.341 |
| Modifier score | 0.500 |
| Perplexity | 84.961 |