Spain
party to: Air Pollution, Air Pollution-Nitrogen Oxides, Air
Pollution-Sulphur 94, Air Pollution-Volatile Organic Compounds,
Antarctic-Environmental Protocol, Antarctic-Marine Living Resources,
Antarctic Treaty, Biodiversity, Climate Change, Endangered Species,
Environmental Modification, Hazardous Wastes, Law of the Sea, Marine
Dumping, Marine Life Conservation, Nuclear Test Ban, Ozone Layer
Protection, Ship Pollution, Tropical Timber 83, Tropical Timber 94,
Wetlands, Whaling
signed, but not ratified: Air Pollution-Persistent Organic
Pollutants, Climate Change-Kyoto Protocol, Desertification

Sri Lanka
party to: Biodiversity, Climate Change, Desertification,
Endangered Species, Environmental Modification, Hazardous Wastes,
Law of the Sea, Nuclear Test Ban, Ozone Layer Protection, Ship
Pollution, Wetlands
signed, but not ratified: Marine Life Conservation

Sudan
party to: Biodiversity, Climate Change, Desertification,
Endangered Species, Law of the Sea, Nuclear Test Ban, Ozone Layer
Protection
signed, but not ratified: none of the selected agreements

Suriname
party to: Biodiversity, Climate Change, Desertification,
Endangered Species, Law of the Sea, Marine Dumping, Nuclear Test
Ban, Ozone Layer Protection, Ship Pollution, Tropical Timber 94,
Wetlands
signed, but not ratified: none of the selected agreements

Swaziland
party to: Biodiversity, Climate Change, Endangered
Species, Nuclear Test Ban, Ozone Layer Protection
signed, but not ratified: Desertification, Law of the Sea

Sweden
party to: Air Pollution, Air Pollution-Nitrogen Oxides, Air
Pollution-Persistent Organic Pollutants, Air Pollution-Sulphur 85,
Air Pollution-Sulphur 94, Air Pollution-Volatile Organic Compounds,
Antarctic-Environmental Protocol, Antarctic-Marine Living Resources,
Antarctic Treaty, Biodiversity, Climate Change, Desertification,
Endangered Species, Environmental Modification, Hazardous Wastes,
Law of the Sea, Marine Dumping, Nuclear Test Ban, Ozone Layer
Protection, Ship Pollution, Tropical Timber 83, Tropical Timber 94,
Wetlands, Whaling
signed, but not ratified: Climate Change-Kyoto Protocol

Switzerland
party to: Air Pollution, Air Pollution-Nitrogen Oxides,
Air Pollution-Persistent Organic Pollutants, Air Pollution-Sulphur
85, Air Pollution-Sulphur 94, Air Pollution-Volatile Organic
Compounds, Antarctic Treaty, Biodiversity, Climate Change,
Desertification, Endangered Species, Environmental Modification,
Hazardous Wastes, Marine Dumping, Marine Life Conservation, Nuclear
Test Ban, Ozone Layer Protection, Ship Pollution, Tropical Timber
83, Tropical Timber 94, Wetlands, Whaling
signed, but not ratified: Antarctic-Environmental Protocol, Climate
Change-Kyoto Protocol, Law of the Sea

Syria
party to: Biodiversity, Climate Change, Desertification,
Hazardous Wastes, Nuclear Test Ban, Ozone Layer Protection, Ship
Pollution, Wetlands
signed, but not ratified: Environmental Modification

Taiwan
party to: none of the selected agreements because of Taiwan's
international status
signed, but not ratified: none of the selected agreements because of
Taiwan's international status

Tajikistan
party to: Biodiversity, Climate Change, Desertification,
Environmental Modification, Ozone Layer Protection, Wetlands
signed, but not ratified: none of the selected agreements