| Abbreviation | Definition |
|---|---|
| MEEP | Master of Energy and Environmental Policy |
| MEEP | Mir Environmental Effects Payload |
| MEES | Marine Environmental Education Specialist |
| MEES | Marine Estuarine Environmental Science |
| MEES | Marine Estuarine Environmental Sciences |
| MEES | Massachusetts Environmental Education Society |
| MEF | Major Emitting Facility |
| MEFCA | Ministry of Environment, Forest and Climate Affair |
| MEFG | Missenyi Environmental Friendly Group |
| MEHC | Marin Environmental Housing Collaborative |
| MEHP | Marist Environmental History Project |
| MEHRA | Marine Environmental High Risk Areas |
| MEIA | Manitoba Environmental Industries Association |
| MEIAP | Mongolian Environmental Impact Assessment Procedure |
| MEIP | Metropolitan Environmental Improvement Program |
| MEIP | Metropolitan Environmental Improvement Programme |
| MEL | Maximum Exposure Limit |
| MELA | Midwest Ecological Landscaping Association |
| MELAN | Michigan Environmental Lakes And Nature |
| MELF | Municipal Environmental Loan Facility |