g and urbanization; coastal degradation from
mining activities and increased pollution; freshwater resources
being polluted by industrial wastes and sewage runoff; waste
disposal; air pollution in Colombo

Sudan
inadequate supplies of potable water; wildlife populations
threatened by excessive hunting; soil erosion; desertification;
periodic drought

Suriname
deforestation as timber is cut for export; pollution of
inland waterways by small-scale mining activities

Svalbard
NA

Swaziland
limited supplies of potable water; wildlife populations
being depleted because of excessive hunting; overgrazing; soil
degradation; soil erosion

Sweden
acid rain damage to soils and lakes; pollution of the North
Sea and the Baltic Sea

Switzerland
air pollution from vehicle emissions and open-air
burning; acid rain; water pollution from increased use of
agricultural fertilizers; loss of biodiversity

Syria
deforestation; overgrazing; soil erosion; desertification;
water pollution from raw sewage and petroleum refining wastes;
inadequate potable water

Taiwan
air pollution; water pollution from industrial emissions, raw
sewage; contamination of drinking water supplies; trade in
endangered species; low-level radioactive waste disposal

Tajikistan
inadequate sanitation facilities; increasing levels of
soil salinity; industrial pollution; excessive pesticides

Tanzania
soil degradation; deforestation; desertification;
destruction of coral reefs threatens marine habitats; recent
droughts affected marginal agriculture; wildlife threatened by
illegal hunting and trade, especially for ivory

Thailand
air pollution from vehicle emissions; water pollution from
organic and factory wastes; deforestation; soil erosion; wildlife
populations threatened by illegal hunting

Timor-Leste
widespread use of slash and burn agriculture has led to
deforestation and soil erosion

Togo
deforestation attributable to slash-and-burn agriculture and
the use of wood for fuel; water pollution presents health hazards
and hinders the fishing industry; air pollution increasing in urban
areas

Tokelau
limited natural resources and overcrowding are contributing
to emigration to New Zealand

Tonga
deforestation results as more and more land is being cleared
for agriculture and settlement; some damage to coral reefs from
starfish and indiscriminate coral