Christmas Island
loss of rainforest; impact of phosphate mining

Clipperton Island
NA

Cocos (Keeling) Islands
fresh water resources are limited to
rainwater accumulations in natural underground reservoirs

Colombia
deforestation; soil and water quality damage from overuse
of pesticides; air pollution, especially in Bogota, from vehicle
emissions

Comoros
soil degradation and erosion results from crop cultivation
on slopes without proper terracing; deforestation

Congo, Democratic Republic of the poaching threatens wildlife populations; water pollution; deforestation; refugees responsible for significant deforestation, soil erosion, and wildlife poaching; mining of minerals (coltan - a mineral used in creating capacitors, diamonds, and gold) causing environmental damage

Congo, Republic of the
air pollution from vehicle emissions; water
pollution from the dumping of raw sewage; tap water is not potable;
deforestation

Cook Islands
NA

Coral Sea Islands
no permanent fresh water resources

Costa Rica
deforestation and land use change, largely a result of
the clearing of land for cattle ranching and agriculture; soil
erosion; coastal marine pollution; fisheries protection; solid waste
management; air pollution