San Marino
NA
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
Serbia
air pollution around Belgrade and other industrial cities;
water pollution from industrial wastes dumped into the Sava which
flows into the Danube
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