| Abbreviation | Definition |
|---|---|
| NDCEE | National Defense Center for Environmental Excellence |
| NDD | Nature-Deficit Disorder |
| NDEER | Notre Dame Environmental Education and Research |
| NDEL | New Directions in Environmental Law |
| NDIS | Natural Diversity Information Source |
| NDM | Natural Disaster Mitigation |
| NDMA | National Desaster Management Authority |
| NDMS | National Disaster Mitigation Strategy |
| NDP | New Dumping Procedures |
| NDSL | Non-Domestic Substances List |
| NDSP | National Drainage Sector Project |
| NDSP | National Dryland Salinity Program |
| NDSW | Normal Domestic Strength Waste |
| NEA | National Energy Action |
| NEAC | National Environmental Awareness Campaign |
| NEAD | National Environmental Accounting Database |
| NEAP | National Environmental Action Plan |
| NEAP | Neighborhood Environmental Assessment Project |
| NEAS | Nutritional Environmental Analytical Services |
| NEAT | Neighborhood Environmental Action Team |