| Abbreviation | Definition |
|---|---|
| AWVP | Atmospheric water vapour processing |
| BASIN | Biosphere Atmosphere Stable Isotope Network |
| BATS | Biosphere Atmosphere Transfer Scheme |
| BTA | Bombing The Atmosphere |
| CACTUS | Converted Atmospheric Cherenkov Telescope Using Solar |
| CAK | Controlled Atmosphere Killing |
| CAMS | Copernicus Atmosphere Monitoring Service |
| CASA | Collaborative Adaptive Sensing of the Atmosphere |
| CASIM | Cometary Atmosphere Simulator |
| CCUS | Carbon Capture, Utilisation, and Storage |
| CCUS | Carbon Capture, Utilization, and Storage |
| CEC | Carbon Emission Characteristics |
| CGAM | Centre for Global Atmospheric Modelling |
| CIRA | COSPAR International Reference Atmosphere |
| CMMAP | Center for multiscale modeling of Atmospheric processes |
| COADS | Comprehensive Ocean and Atmospheric Data Set |
| COARE | Coupled Ocean Atmosphere Response Experiment |
| COART | Coupled Ocean and Atmosphere Radiative Transfer |
| COLA | Centre of Ocean Land Atmosphere |
| DAP | Diminish the Air Pollution |