| Acronym | Meaning |
| ACL | Alternative Concentration Level/limit |
| APE | Action Plan Element |
| NOAH | Comprised Of The National Centers For Environmental Protection |
| GCCM | Global Carbone Cycle Modeling |
| POC | Proof Of Concept |
| EODC | Earth Observation Data Centre |
| CAS | Commission For Atmospheric Science |
| ADMP | Acid Deposition Modeling Project |
| EXABYTE | Boulder-based Computer Company |
| ACC | Accumulator |