word | | Environment - current issues |
| 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 |
| pollution | Netherlands | water pollution in the form of heavy metals, organic compounds, and nutrients such as nitrates and phosphates; air pollution from vehicles and refining activities; acid rain |
| pollution | Nicaragua | deforestation; soil erosion; water pollution |
| pollution | Nigeria | soil degradation; rapid deforestation; urban air and water pollution; desertification; oil pollution - water, air, and soil; has suffered serious damage from oil spills; loss of arable land; rapid urbanization |
| pollution | Norway | water pollution; acid rain damaging forests and adversely affecting lakes, threatening fish stocks; air pollution from vehicle emissions |
| pollution | Oman | rising soil salinity; beach pollution from oil spills; limited natural fresh water resources |
| pollution | Pacific Ocean | endangered marine species include the dugong, sea lion, sea otter, seals, turtles, and whales; oil pollution in Philippine Sea and South China Sea |
| pollution | Pakistan | water pollution from raw sewage, industrial wastes, and agricultural runoff; limited natural fresh water resources; most of the population does not have access to potable water; deforestation; soil erosion; desertification |
| pollution | Panama | water pollution from agricultural runoff threatens fishery resources; deforestation of tropical rain forest; land degradation and soil erosion threatens siltation of Panama Canal; air pollution in urban areas; mining threatens natural resources |
| pollution | Papua New Guinea | rain forest subject to deforestation as a result of growing commercial demand for tropical timber; pollution from mining projects; severe drought |
| pollution | Paraguay | deforestation; water pollution; inadequate means for waste disposal pose health risks for many urban residents; loss of wetlands |
| pollution | Peru | ... of illegal logging); overgrazing of the slopes of the costa and sierra leading to soil erosion; desertification; air pollution in Lima; pollution of rivers and coastal waters from municipal and mining wastes |