| Burlington School District | |
| Northeast Iowa Community College | |
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| Center for Energy and Environmental Education | |
| UNI Sustainability Office | |
| Cedar Falls Community School District | |
| Linn County Sustainability Department | |
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| Davenport Community School District | |
| Winneshiek Energy District | |
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| Des Moines Metropolitan Planning Organization | |
| Greater Des Moines Habitat for Humanity | |
| Dubuque Colleges Sustainability Coalition | |
| Dubuque County Conservation | |
| Dubuque Sustainability Office | |
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| Prairiewoods Franciscan Spirituality Center | |
| Pottawattamie Conservation | |
| City of Iowa City Parks & Recreation | |
| Iowa Conservation Education Coalition | |
| Iowa City Climate Action and Outreach | |
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| William Penn/Mahaska County Partnership | |
| Clear Creek Amana Community School District | |
| Black Hawk County Solid Waste Management Commission & Public Health Department Partnership | |