| Abbreviation | Definition |
|---|---|
| CBERS | China Brazil Earth Resources Satellite |
| CC | Cumulus Cell |
| CCAFS | Climate Change And Food Security |
| CCD | Camera Charging Device |
| CCM | Certified Consulting Meteorologist |
| CCR | climate change resilience |
| CCRP | Climate Change Research Program |
| CCSM | Community Climate System Model |
| CDA | Command and Data Acquisition |
| CDAS | Command and Data Acquisition Station |
| CDCL | Climate Diagnostics Center Laboratory |
| CDFI | Color Doppler Flow Imaging |
| CDFS | Cloud Depiction and Forecast System |
| CDIC | Coastal Data and Information Center |
| CDL | Climate Data Logger |
| CDM | Canadian Drought Monitor |
| CDMP | Climate Database Modernization Program |
| CDMS | Centralized Data Management System |
| CDO | Central Dense Overcast |
| CECOM | Communications and Electronics Command |