| Acronym | Meaning |
| AVIRIS | Airborne Visible InfraRed Imaging Spectrometer (JPL) |
| EPA | Environmental Protection Agency (U.S.) |
| NCDC | National Climatic Data Center |
| CD-ROM | Compact Disc-Read Only Memory |
| WSGC | Wisconsin Space Grant Consortium |
| EPS | European Polar Satellite |
| ESSP | Earth System Science Pathfinder Mission (ESSP) |
| IMG | Interferometric Monitor For Greenhouse Gases |
| IES | Institute For Environmental Studies (UW) |
| AERI | Atmospheric Emitted Radiance Interferometer |