| Typicality: | 0.322 |
| Saliency: | 0.375 |
| each year | 2 | temporal |
| carbon → build up over → time | 8 |
| carbon → build up in → the atmosphere | 6 |
| carbon → built up over → a number of years | 3 |
| negative | neutral | positive |
| 0.498 | 0.409 | 0.093 |
| Raw frequency | 17 |
| Normalized frequency | 0.375 |
| Modifier score | 0.500 |
| Perplexity | 217.709 |