Sao Tome and Principe:
deforestation; soil erosion and exhaustion
Saudi Arabia:
desertification; depletion of underground water
resources; the lack of perennial rivers or permanent water bodies
has prompted the development of extensive seawater desalination
facilities; coastal pollution from oil spills
Senegal:
wildlife populations threatened by poaching; deforestation;
overgrazing; soil erosion; desertification; overfishing
Seychelles:
water supply depends on catchments to collect rainwater
Sierra Leone:
rapid population growth pressuring the environment;
overharvesting of timber, expansion of cattle grazing, and
slash-and-burn agriculture have resulted in deforestation and soil
exhaustion; civil war depleting natural resources; overfishing
Singapore:
industrial pollution; limited natural fresh water
resources; limited land availability presents waste disposal
problems; seasonal smoke/haze resulting from forest fires in
Indonesia
Slovakia:
air pollution from metallurgical plants presents human
health risks; acid rain damaging forests
Slovenia:
Sava River polluted with domestic and industrial waste;
pollution of coastal waters with heavy metals and toxic chemicals;
forest damage near Koper from air pollution (originating at
metallurgical and chemical plants) and resulting acid rain
Solomon Islands:
deforestation; soil erosion; much of the
surrounding coral reefs are dead or dying
Somalia:
famine; use of contaminated water contributes to human
health problems; deforestation; overgrazing; soil erosion;
desertification