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
Niue
increasing attention to conservationist practices to counter
loss of soil fertility from traditional slash and burn agriculture
Norfolk Island
NA
Northern Mariana Islands
contamination of groundwater on Saipan may
contribute to disease; clean-up of landfill; protection of
endangered species conflicts with development
Norway
water pollution; acid rain damaging forests and adversely
affecting lakes, threatening fish stocks; air pollution from vehicle
emissions
Oman
rising soil salinity; beach pollution from oil spills; very
limited natural fresh water resources
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
Pakistan
water pollution from raw sewage, industrial wastes, and
agricultural runoff; limited natural fresh water resources; a
majority of the population does not have access to potable water;
deforestation; soil erosion; desertification