| Total requests for Mar 2012: 130 |
| Unique requests | Total requests | Query | Documents returned |
| 4 | 5 | 2912 grants | 88 |
| 2 | 4 | lorax | 2 |
| 2 | 3 | mold | 4 |
| 2 | 2 | scholarship | 258 |
| 2 | 2 | Permaculture | 2 |
| 2 | 2 | 2011 winners | 40 |
| 1 | 4 | UNEP | 23,627 |
| 1 | 3 | jobs | 30,776 |
| 1 | 3 | china 2007 | 28,837 |
| 1 | 3 | childhood asthma | 30,304 |
| 1 | 2 | when are peya winners announced | 10 |
| 1 | 2 | test questions | 51,538 |
| 1 | 2 | contaminants | 39,254 |
| 1 | 2 | competition | 82 |
| 1 | 2 | care | 52,043 |
| 1 | 2 | beverage | 51,689 |
| 1 | 2 | Organic farming | 53,003 |
| 1 | 1 | white house summit | 6 |
| 1 | 1 | urban greening | 71 |
| 1 | 1 | tpu | 0 |
| 1 | 1 | thicket | 1 |
| 1 | 1 | the greenhouse effect | 53 |
| 1 | 1 | technology environmental education | 172 |
| 1 | 1 | summit | 52 |
| 1 | 1 | students | 319 |
| 1 | 1 | stormwater | 50 |
| 1 | 1 | sol dc1100024 | 53 |
| 1 | 1 | scope | 12 |
| 1 | 1 | scavenger hunt | 2 |
| 1 | 1 | riverside county | 9 |
| 1 | 1 | report to congress | 64 |
| 1 | 1 | refreshment | 6 |
| 1 | 1 | recyling | 109 |
| 1 | 1 | recyled materials teacher fact sheet | 0 |
| 1 | 1 | recycled materials teacher fact sheet | 2 |
| 1 | 1 | pyrolysis | 14,600 |
| 1 | 1 | portable air purifiers | 5 |
| 1 | 1 | pollution | 188 |
| 1 | 1 | outdoor learning | 99 |
| 1 | 1 | order | 94,400 |
| 1 | 1 | nn81pl | 0 |
| 1 | 1 | newleans | 7 |
| 1 | 1 | national environmental education act of 1990 | 9 |
| 1 | 1 | multi-cultural education | 6 |
| 1 | 1 | mudflat | 0 |
| 1 | 1 | mud flat | 0 |
| 1 | 1 | logic model | 5 |
| 1 | 1 | kansas | 58 |
| 1 | 1 | increased knowledge behavior | 4 |
| 1 | 1 | hud | 3 |
| 1 | 1 | high school students | 142 |
| 1 | 1 | guidelines for excellence | 129 |
| 1 | 1 | guest speakers | 4 |
| 1 | 1 | green label | 8 |
| 1 | 1 | graduate fellowships | 150 |
| 1 | 1 | georgia | 63 |
| 1 | 1 | fruit tree curroculum | 0 |
| 1 | 1 | fruit tree curriculum | 5 |
| 1 | 1 | epa community programs | 191 |
| 1 | 1 | environmental literacy | 179 |
| 1 | 1 | environmental justice | 9 |
| 1 | 1 | environmental issues in Upstate New York | 3 |
| 1 | 1 | environmental information | 381 |
| 1 | 1 | environmental competition | 80 |
| 1 | 1 | education grants | 314 |
| 1 | 1 | drinking water fun facts | 5 |
| 1 | 1 | deforestation | 3 |
| 1 | 1 | dale perry | 2 |
| 1 | 1 | curriculum | 127 |
| 1 | 1 | conference | 308 |
| 1 | 1 | chernobyl | 0 |
| 1 | 1 | certification for lead-renovator class | 0 |
| 1 | 1 | bluebirds | 3 |
| 1 | 1 | biodiversity | 7 |
| 1 | 1 | backflow | 0 |
| 1 | 1 | austin thicket | 1 |
| 1 | 1 | asthma | 40 |
| 1 | 1 | am Students Teachers Student Environmental Development Program | 6 |
| 1 | 1 | air quality measurements | 58 |
| 1 | 1 | air pollution | 170 |
| 1 | 1 | Vermont | 8 |
| 1 | 1 | Springfield MO | 4 |
| 1 | 1 | Organic farmibg | 0 |
| 1 | 1 | New England | 29 |
| 1 | 1 | National Environmental Education Act | 116 |
| 1 | 1 | NAAEE GUIDELINES | 8 |
| 1 | 1 | Marcellus shale | 1 |
| 1 | 1 | Lake County IL | 38 |
| 1 | 1 | K-12 STEM | 3 |
| 1 | 1 | Internships | 47 |
| 1 | 1 | EPA EE 2012 | 36 |
| 1 | 1 | EPA 2012 | 101 |
| 1 | 1 | California | 87 |
| 1 | 1 | Boston MA | 37 |
| 1 | 1 | Apply | 378 |
| 1 | 1 | Adninistrator | 0 |
| 1 | 1 | 98037 | 0 |
| 1 | 1 | 2012 peya winners | 6 |
| 1 | 1 | 2012 oeta winners | 0 |
| 1 | 1 | 2012 awards recognition | 9 |
| 1 | 1 | 2012 application | 62 |