| Abbreviation | Definition |
|---|---|
| NESA | National Environmental Science Academy |
| NESB | Natural and Environmental Sciences Building |
| NESB | Natural Environmental Sciences Bldg |
| NESC | National Environmental Services Center |
| NESC | National Environmental Services Consortium |
| NESDIS | National Environmental Satellite, Data, and Information Service |
| NESHAP | National Environmental Standards For Hazardous Air Pollutants |
| NESI | Newark Environmental Sustainability Institute |
| NESP | National Environmental Science Program |
| NESP | National Environmental Science Programme |
| NESS | National Earth Satellite Service |
| NETE | New Environmental Technologies Evaluation |
| NETE | New Environmental Technology Evaluation |
| NETI | National Environmental Training Institute |
| NETO | National Environmental Training Office |
| NF | NanoFiltration |
| NFAB | National Forest Advisory Board |
| NFAF | New Forest Access Forum |
| NFAO | National Fire Audit Office |
| NFAP | National Forestry Action Plan |