| Term | Report |
|---|---|
| Machine learning | GEO-7 |
| Mainstreaming | GEO-7, GEO-1-6 |
| Malnutrition | GEO-7 |
| Mangrove | GEO-7, GEO-1-6 |
| Manure | GEO-7 |
| Marginalization | GEO-7, GEO-1-6 |
| Marginalized communities | GEO-7 |
| Marginalized groups | GEO-7 |
| Mariculture | GEO-7, GEO-1-6 |
| Marine | GEO-7, GEO-1-6 |
| Marine pollution | GEO-7, GEO-1-6 |
| Marine spatial planning | GEO-7, GEO-1-6 |
| Market | GEO-7 |
| Material circularity | GEO-7 |
| Material flow accounting | GEO-7, GEO-1-6 |
| Materials and product passports | GEO-7 |
| Materials as a service | GEO-7 |
| Mean species abundance | GEO-7, GEO-1-6 |
| Megacities | GEO-7, GEO-1-6 |
| Mercury | GEO-7 |
| Metabolites | GEO-7 |
| Metal | GEO-7 |
| Micronutrients | GEO-7 |
| Microplastics | GEO-1-6 |
| Migration | GEO-7 |
| Millennium ecosystem assessment | GEO-7, GEO-1-6 |
| Mineral intensive | GEO-7 |
| Mineralization | GEO-7 |
| Minerals | GEO-7 |
| Mining | GEO-7 |
| Mitigation | GEO-7, GEO-1-6 |
| Mitigation scenario | GEO-7 |
| Mixed land use | GEO-7 |
| Model | GEO-7 |
| Mother earth | GEO-7 |
| Motivators | GEO-7 |
| Multilevel cooperation | GEO-7 |
| Municipal solid waste | GEO-7, GEO-1-6 |