| contrary to the article | 8 | other |
| back into the atmosphere | 6 | transitive-object |
| by vehicles | 6 | other |
| carbon → be → emitted | 68 |
| carbon → be emitted into → the atmosphere | 30 |
| carbon → be emitted to → the atmosphere | 12 |
| carbon → be emitted into → the air | 3 |
| negative | neutral | positive |
| 0.356 | 0.550 | 0.094 |
| Raw frequency | 113 |
| Normalized frequency | 0.784 |
| Modifier score | 0.690 |
| Perplexity | 84.194 |