word | | Environment - current issues |
| pollution | Lebanon | deforestation; soil erosion; desertification; air pollution in Beirut from vehicular traffic and the burning of industrial wastes; pollution of coastal waters from raw sewage and oil spills |
| pollution | Liberia | tropical rain forest deforestation; soil erosion; loss of biodiversity; pollution of coastal waters from oil residue and raw sewage |
| pollution | Luxembourg | air and water pollution in urban areas, soil pollution of farmland |
| pollution | Macedonia | air pollution from metallurgical plants |
| pollution | Malawi | deforestation; land degradation; water pollution from agricultural runoff, sewage, industrial wastes; siltation of spawning grounds endangers fish populations |
| pollution | Malaysia | air pollution from industrial and vehicular emissions; water pollution from raw sewage; deforestation; smoke/haze from Indonesian forest fires |
| pollution | Marshall Islands | inadequate supplies of potable water; pollution of Majuro lagoon from household waste and discharges from fishing vessels |
| pollution | Mauritius | water pollution, degradation of coral reefs |
| pollution | Mexico | ... polluting rivers in urban areas; deforestation; widespread erosion; desertification; deteriorating agricultural lands; serious air and water pollution in the national capital and urban centers along US-Mexico border; land subsidence in Valley ... |
| pollution | Micronesia, Federated States of | overfishing, climate change, pollution |
| pollution | Montenegro | pollution of coastal waters from sewage outlets, especially in tourist-related areas such as Kotor |
| pollution | Morocco | land degradation/desertification (soil erosion resulting from farming of marginal areas, overgrazing, destruction of vegetation); water supplies contaminated by raw sewage; siltation of reservoirs; oil pollution of coastal waters |
| pollution | Mozambique | ... hinterlands have resulted in increased migration of the population to urban and coastal areas with adverse environmental consequences; desertification; pollution of surface and coastal waters; elephant poaching for ivory is a problem |