| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| american environmental history | 1.09 | 0.4 | 1673 | 75 | 30 |
| american | 0.44 | 0.4 | 7565 | 23 | 8 |
| environmental | 1.19 | 0.1 | 2650 | 86 | 13 |
| history | 0.05 | 0.3 | 3259 | 92 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| american environmental history | 1.96 | 0.7 | 9038 | 81 |
| american environmental history volcanoes | 1.95 | 0.7 | 9566 | 32 |
| american environmental history issues | 1.05 | 0.6 | 7622 | 24 |
| american environmental history pdf | 0.7 | 0.8 | 3257 | 90 |
| american environmental history book | 0.04 | 0.5 | 6651 | 17 |
| american environmental history association | 0.84 | 0.7 | 4983 | 50 |
| american society for environmental history | 1.86 | 0.4 | 2092 | 48 |
| american soc for environmental history | 0.22 | 0.6 | 2736 | 32 |
| environmental history supervolcano american | 1.54 | 0.4 | 7580 | 70 |
| native american environmental history | 0.94 | 0.4 | 3493 | 78 |
| latin american environmental history | 1.64 | 0.3 | 5826 | 84 |
