| Acronym | Meaning |
| NSES | National Science Education Standards |
| SCOPE | Scientific Committee On The Problems Of The Environment |
| CPOM | Coarse Particulate Organic Matter |
| NAFTA | North American Free Trade Agreement |
| NOS | Nitric Oxide Synthase |
| CEFIC | Associazione Europea Dell'industria Chimica |
| PET | Petrol. Elementary Tools (computer Program) |
| IRBIC | Infrared Beam Induced Current |
| CCSS | Co-composted Sewage Sludge |
| HASI | Huygens Atmospheric Structure Instrument |