| Acronym | Meaning |
| EU | European Union |
| MBONE | Multicast BackBONE |
| AIRES | Artificial Intelligence Research In Environmental Science |
| CCN | Cloud Condensation Nuclei |
| AFTAC | Air Force Technical Applications Center |
| CARS | Coherent Anti-Stokes Raman Spectroscopy |
| MRI | Meteorological Research Institute |
| DF | Direction Finding |
| SERON | Southeastern Regional Oxidant Network Program |
| CCAA | Canadian Clean Air Act |