| Abbreviation | Definition |
|---|---|
| CBC | Center for Biodiversity and Conservation |
| CBCC | Crested Butte Conservation Corps |
| CBCFI | Cebu Biodiversity Conservation Foundation Inc |
| CBCGDF | China Biodiversity Conservation and Green Development |
| CBCS | Cameroon Biodiversity Conservation Society |
| CBI | Conservation Biology Institute |
| CBWCD | Chino Basin Water Conservation District (Montclair, CA) |
| CC | Cyber Chick |
| CCAL | Coastal Conservation Action Lab |
| CCAMLR | Commission for the Conservation of Antarctic Marine Living Resources |
| CCAMLR | Convention for the Conservation of Antarctic Marine Living Resources |
| CCAMLR | Convention on the Conservation of Antarctic Marine Living Resources |
| CCBC | Czech Coalition for Biodiversity Conservation |
| CCC | Civilian conservation corporations |
| CCC | Civilian conservation corporationsCatechism |
| CCCD | Cape Cod Conservation District |
| CCCD | Cheshire County Conservation District |
| CCCTA | Coffee County Conservation Tillage Alliance |
| CCCZ | Chongololo and Conservation Club of Zambia |
| CCEC | Centre for Coastal Environmental Conservation |