Saint Vincent and the Grenadines
party to: Biodiversity, Climate
Change, Desertification, Endangered Species, Environmental
Modification, Hazardous Wastes, Law of the Sea, Marine Dumping,
Ozone Layer Protection, Ship Pollution, Whaling
signed, but not ratified: Climate Change-Kyoto Protocol

Samoa
party to: Biodiversity, Climate Change, Climate Change-Kyoto
Protocol, Desertification, Hazardous Wastes, Law of the Sea, Ozone
Layer Protection
signed, but not ratified: none of the selected agreements

San Marino
party to: Biodiversity, Climate Change, Desertification
signed, but not ratified: Air Pollution

Sao Tome and Principe
party to: Biodiversity, Climate Change,
Desertification, Endangered Species, Environmental Modification, Law
of the Sea, Ozone Layer Protection, Ship Pollution
signed, but not ratified: none of the selected agreements

Saudi Arabia
party to: Biodiversity, Climate Change,
Desertification, Endangered Species, Hazardous Wastes, Law of the
Sea, Ozone Layer Protection
signed, but not ratified: none of the selected agreements

Senegal
party to: Biodiversity, Climate Change, Climate Change-Kyoto
Protocol, Desertification, Endangered Species, Hazardous Wastes, Law
of the Sea, Marine Life Conservation, Ozone Layer Protection, Ship
Pollution, Wetlands, Whaling

Serbia and Montenegro
party to: Air Pollution, Biodiversity, Climate
Change, Endangered Species, Hazardous Wastes, Law of the Sea, Marine
Dumping, Marine Life Conservation, Ozone Layer Protection, Ship
Pollution, Wetlands
signed, but not ratified: none of the selected agreements

Seychelles
party to: Biodiversity, Climate Change, Climate
Change-Kyoto Protocol, Desertification, Endangered Species,
Hazardous Wastes, Law of the Sea, Marine Dumping, Ozone Layer
Protection, Ship Pollution
signed, but not ratified: none of the selected agreements

Sierra Leone
party to: Biodiversity, Climate Change,
Desertification, Endangered Species, Law of the Sea, Marine Life
Conservation, Ozone Layer Protection, Ship Pollution, Wetlands
signed, but not ratified: Environmental Modification

Singapore
party to: Biodiversity, Climate Change, Desertification,
Endangered Species, Hazardous Wastes, Law of the Sea, Ozone Layer
Protection, Ship Pollution
signed, but not ratified: none of the selected agreements