| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how to reduce coal pollution | 1.73 | 0.5 | 6001 | 72 |
| ways to reduce coal pollution | 0.68 | 0.1 | 4866 | 77 |
| how to reduce coal emissions | 1.81 | 0.7 | 4194 | 43 |
| solutions to coal pollution | 1.88 | 0.8 | 173 | 81 |
| how to conserve coal | 0.42 | 0.4 | 7777 | 73 |
| how to reduce carbon pollution | 1.88 | 0.4 | 5439 | 28 |
| reduction in coal usage | 0.15 | 0.2 | 701 | 24 |
| clean and efficient use of coal | 1.55 | 0.9 | 4700 | 92 |
| reasons to stop using coal | 1.73 | 0.7 | 2943 | 70 |
| coal and air pollution | 1.44 | 0.4 | 2897 | 5 |
| what are some ways to conserve coal | 1.37 | 0.6 | 3555 | 10 |
| how to save coal | 0.15 | 0.1 | 9734 | 15 |
| oil from coal pollution | 1.85 | 0.8 | 273 | 43 |
| why should we stop using coal | 1.38 | 1 | 6977 | 100 |
| air pollution of coal | 0.15 | 0.1 | 1775 | 9 |
| how effective is coal | 0.14 | 0.2 | 410 | 98 |
| how can we conserve coal and petroleum | 0.95 | 0.5 | 679 | 27 |
| does coal cause pollution | 1.66 | 0.5 | 2168 | 47 |
| clean utilization of coal | 1.63 | 0.4 | 8239 | 92 |
| pollution from coal mining | 0.35 | 0.9 | 7813 | 88 |
| why has the use of coal decreased | 1.24 | 0.9 | 2646 | 80 |
| coal gasification lower carbon emissions | 0.6 | 0.2 | 6280 | 25 |
