Nauru
limited natural fresh water resources, roof storage tanks
collect rainwater, but mostly dependent on a single, aging
desalination plant; intensive phosphate mining during the past 90
years - mainly by a UK, Australia, and NZ consortium - has left the
central 90% of Nauru a wasteland and threatens limited remaining
land resources
Navassa Island
NA
Nepal
deforestation (overuse of wood for fuel and lack of
alternatives); contaminated water (with human and animal wastes,
agricultural runoff, and industrial effluents); wildlife
conservation; vehicular emissions
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
Netherlands Antilles
NA
New Caledonia
erosion caused by mining exploitation and forest fires
New Zealand
deforestation; soil erosion; native flora and fauna
hard-hit by invasive species
Nicaragua
deforestation; soil erosion; water pollution
Niger
overgrazing; soil erosion; deforestation; desertification;
wildlife populations (such as elephant, hippopotamus, giraffe, and
lion) threatened because of poaching and habitat destruction
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