| Abbreviation | Definition |
|---|---|
| NEAT | New Environmental Affordable and Tasmanian |
| NEAT | Northern Environmental Action Team |
| NEBA | Net Environmental Benefit Analysis |
| NEBA | Net Environmental Benefits Analysis |
| NEBOSH | National Environmental Board of Safety Health |
| NEC | National Emission Ceilings |
| NEC | Northcoast Environmental Center |
| NECC | National Environmental Coverage Corporation |
| NECER | National Environmental Compliance and Enforcement Reports |
| NEECA | National Engineering and Environmental Consultancy Agreement |
| NEED | Network for Environmental and Economic Development |
| NEEDS | National Ecological And Environmental Delivery Service |
| NEEDS | Nutritional Ecological Environmental Delivery System |
| NEEMA | New England Environmental Marketing Association |
| NEEN | Namibia Environmental Education Network |
| NEEN | National Energy Efficiency Network |
| NEEP | Nanotechnology Environmental Effects and Policy |
| NEEP | Neighborhood Environmental Education Project |
| NEET | New And Emerging Environmental Technologies |
| NEET | New And Emerging Environmental Technology |