| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| causes of water pollution in lake chivero | 0.9 | 0.7 | 9148 | 44 |
| pollution in lakes and rivers | 0.6 | 0.7 | 9074 | 31 |
| what is true about pollution in lakes | 1.85 | 0.8 | 6878 | 3 |
| causes of water pollution | 1.47 | 0.8 | 1915 | 17 |
| leading causes of water pollution | 0.3 | 0.7 | 7049 | 15 |
| major causes of water pollution | 1.65 | 0.7 | 5446 | 68 |
| top causes of water pollution | 0.88 | 0.1 | 3274 | 29 |
| main causes of water pollution | 1.96 | 1 | 6997 | 56 |
| common causes of water pollution | 0.29 | 0.2 | 7792 | 71 |
| mexico lakes and rivers pollution | 0.74 | 1 | 8452 | 25 |
| water pollution in lakes | 1.08 | 0.4 | 387 | 31 |
| water pollution in rivers | 0.48 | 0.2 | 550 | 1 |
| pollution in the river | 1.02 | 0.9 | 4084 | 27 |
| what causes pollution in the great lakes | 1.42 | 0.5 | 5791 | 15 |
| sources of pollution in the great lakes | 1.1 | 0.3 | 1787 | 27 |
| water pollution in the great lakes | 1.56 | 0.4 | 8350 | 68 |
| great lakes pollution causes | 0.99 | 0.5 | 5623 | 81 |
| water pollution problems in the great lakes | 0.43 | 0.6 | 3788 | 5 |
| articles on river pollution | 1.43 | 1 | 668 | 46 |
| which lakes are the most polluted | 0.61 | 0.5 | 5011 | 14 |
| source of river pollution | 0.51 | 0.2 | 7375 | 87 |
| causes of river pollution | 0.81 | 0.7 | 5568 | 86 |
