| Typicality: | 0.380 |
| Saliency: | 0.306 |
| in the 21st century | 5 | temporal |
| climate change → represent → one of the principal challenges | 10 |
| climate change → be → one of the key challenges | 5 |
| climate change → be → one of the major challenges | 4 |
| climate change → be → one of the challenges | 3 |
| climate change → be → one of the main challenges | 3 |
| negative | neutral | positive |
| 0.338 | 0.523 | 0.139 |
| Raw frequency | 25 |
| Normalized frequency | 0.306 |
| Modifier score | 0.500 |
| Perplexity | 25.324 |