| City of Ventura
|
| City of Victoria, Minnesota
|
| City of Virginia Beach Stormwater Engineering Center
|
| City of West Palm Beach, FL
|
| CitizenScience.gov
|
| Clark County Department of Environment and Sustainability
|
| Clark University
|
| Class-One Technologies Inc.
|
| Clayton County Water Authority
|
| Clean Air–Cool Planet
|
| Clean Beaches Council
|
| Clemson University
|
| Cleveland Metroparks
|
| Climate Action KC
|
| Climate Adaptation Knowledge Exchange (CAKE)
|
| Climate Analytics Group
|
| Climate and Resilience Community of Practice
|
| Climate and Traditional Knowledges Workgroup
|
| Climate Assessment for the Southwest
|
| Climate Central
|
| Climate Central—Surging Seas Risk Finder
|
| Climate Change Response Network Partners
|
| Climate Development and Knowledge Network
|
| Climate Impacts Research Consortium
|
| Climate International
|
