| wikimedia commons earth day | 0.21 | 0.6 | 2684 | 27 | 37 |
| earth day earth day | 0.78 | 0.4 | 2058 | 19 | 12 |
| current event related to earth day | 0.6 | 0.8 | 6092 | 34 | 56 |
| all about earth day | 1.53 | 0.2 | 6812 | 19 | 9 |
| who day is the earth day | 1.37 | 0.6 | 5378 | 24 | 32 |
| earth day what day | 0.53 | 0.1 | 6063 | 18 | 24 |
| information on earth day | 1.95 | 1 | 2983 | 24 | 45 |
| article about earth day | 0.06 | 0.9 | 7200 | 23 | 31 |
| start of earth day | 1.45 | 0.1 | 6263 | 18 | 52 |
| the world earth day | 0.38 | 0.3 | 6409 | 19 | 25 |
| the day of earth | 0.67 | 0.6 | 5177 | 16 | 90 |
| earth day the beginning | 0.67 | 0.1 | 8923 | 23 | 52 |
| everyday is earth day | 0.58 | 1 | 4734 | 21 | 10 |
| world earth day information | 1.75 | 0.1 | 4738 | 27 | 33 |
| historical context surrounding earth day | 1.4 | 0.9 | 7014 | 40 | 30 |
| date of earth day | 0.07 | 0.1 | 2583 | 17 | 69 |
