Chad
inadequate supplies of potable water; improper waste disposal
in rural areas contributes to soil and water pollution;
desertification
Chile
widespread deforestation and mining threaten natural
resources; air pollution from industrial and vehicle emissions;
water pollution from raw sewage
China
air pollution (greenhouse gases, sulfur dioxide particulates)
from reliance on coal produces acid rain; water shortages,
particularly in the north; water pollution from untreated wastes;
deforestation; estimated loss of one-fifth of agricultural land
since 1949 to soil erosion and economic development;
desertification; trade in endangered species
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