| Iowa Water Center
|
| Island Institute
|
| Island Press
|
| iTree Tools
|
| Jacques Cousteau National Estuarine Research Reserve
|
| James City County Virginia
|
| James Cook University
|
| Jamestown S'Klallam Tribe
|
| JetBlue for Good
|
| Jobos Bay National Estuarine Research Reserve
|
| Kachemak Bay National Estuarine Research Reserve
|
| Kake Tribal Corporation
|
| Kako‘o ‘Ōiwi
|
| Karuk – UC Berkeley Collaborative
|
| Karuk Tribe
|
| Kawerak, Inc.
|
| Ketchikan Indian Community
|
| Keystone Policy Center
|
| Kinston, NC
|
| Kiowa County Memorial Hospital
|
| Kittitas County, Washington
|
| Kivalina Relocation Planning Committee
|
| Klamath Center for Conservation Research
|
| Klamath-Salmon Media Collaborative
|
| Klawock Cooperative Association
|
