| Abbreviation | Definition |
|---|---|
| MMRP | Multi Material Recycling Program |
| MMW | Marshbird Monitoring Workshop |
| MNA | Maximum Noise Area |
| MNES | Matter of National Environmental Significance |
| MNES | Matters of National Environmental Significance |
| MNRE | Ministry of New and Renewable Energy (India) |
| MOCNESS | Multiple Opening And Closing Net Environmental Sampling System |
| MOCNESS | Multiple Opening And Closing Nets And Environmental Sensing System |
| MOCNESS | Multiple Opening And Closing Nets Environmental Sampling System |
| MOE | Margin Of Exposure |
| MOECC | Ministry of the Environment and Climate Change |
| MOEF&CC | Ministry of Environment forest & Climate Change |
| MOEP | Ministry of Environmental Protection |
| MOI | Mechanism Of Injury |
| MONRE | Ministry Of Natural Resources and Environmet |
| MOPITT | Measurements Of Pollution In The Troposphere |
| MOPP | Mobile Outreach for Pollution Prevention |
| MORP | Maine Oil Recycling Program |
| MOSPI | Ministry Of Statistics and Programme Implementation |
| MPB | Marine Pollution Bulletin |