| Abbreviation | Definition |
|---|---|
| NOAA | National Oceanic And Atmospheric Administrations |
| OAII | Ocean Atmosphere Ice Interactions |
| OEA | Oxygen Enriched Atmosphere |
| OL | the Ozone Layer |
| OMOE | Ontario Ministry Of the Environment |
| OPAL | Outer Planet Atmospheres Legacy |
| OSEA | Ocean Sea Earth and Atmosphere |
| OSEA | Ocean Sun Earth and Atmosphere |
| OSEA | Ocean Sun Earth Atmosphere |
| PACU | Portable Atmosphere Control Unit |
| PARK | Positive Atmosphere Reaches Kids |
| PEA | Positive Emotional Atmosphere |
| POAMA | Predictive Ocean Atmosphere Model for Australia |
| RASTA | Radish Assimilation in Spaceflight Testbed Atmospheres |
| RCDA | Removal of Carbon Dioxide from atmosphere |
| SARB | Surface and Atmosphere Radiation Budget |
| SCRAM | Support Center for Regulatory Atmospheric Modeling |
| SMEAR | Station for Measuring Ecosystem Atmosphere Relaa |
| SMEAR | Station for Measuring Ecosystem– Atmosphere Relaa |
| SMEAR | Station for Measuring Ecosystem Atmosphere Relations |