| carbon dioxide → Causes → dizziness | 0.40 | |
| carbon dioxide → Causes → expansion of the batter | 0.37 | |
| carbon dioxide → Causes → ocean acidification | 0.33 | |
| carbon dioxide → Causes → 9–26% | 0.30 | |
| carbon dioxide → Causes → headache | 0.27 | |
| carbon dioxide → Causes → 3–7% | 0.26 | |
| carbon dioxide → Causes → nausea | 0.21 | |
| carbon dioxide → Causes → asphyxiation | 0.19 | |
| carbon dioxide → Causes → cooling | 0.16 | |
| carbon dioxide → Causes → drought | 0.16 |