| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| carbon dioxide emission effects | 1.25 | 0.3 | 201 | 78 | 31 |
| carbon | 1.22 | 0.3 | 3255 | 29 | 6 |
| dioxide | 1.26 | 0.4 | 7628 | 88 | 7 |
| emission | 1.22 | 0.2 | 5258 | 98 | 8 |
| effects | 1.42 | 0.7 | 1133 | 3 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| carbon dioxide emission effects | 0.98 | 0.8 | 2200 | 95 |
| health effects of carbon dioxide emissions | 0.29 | 0.8 | 9183 | 71 |
| effects of carbon emission | 1.36 | 1 | 8526 | 7 |
| effects of carbon dioxide exposure | 0.32 | 0.8 | 792 | 21 |
| effects of carbon dioxide | 1.11 | 0.1 | 9640 | 65 |
| carbon dioxide environmental effects | 0.62 | 0.3 | 417 | 48 |
| effect of co2 emission | 1.31 | 0.5 | 5335 | 14 |
| carbon dioxide and its effects | 0.54 | 0.1 | 8136 | 66 |
| negative effects of co2 emissions | 1.53 | 0.4 | 763 | 67 |
| impacts of co2 emissions | 0.14 | 0.5 | 2971 | 53 |
| health effects of carbon dioxide | 1.93 | 0.2 | 1826 | 26 |
| effects of carbon dioxide on human health | 0.24 | 1 | 9107 | 8 |
