Caspian Sea

• Science: Environment: Water: By Region: Central Asia 
• Regional: Middle East: Iran: Science and Environment 
• Regional: Europe: Russia: Science and Environment 
• Regional: Asia: Kazakhstan: Science and Environment 
• Regional: Asia: Turkmenistan: Science and Environment 
• Regional: Asia: Azerbaijan: Science and Environment 

• CASPAGE: Dating Caspian Sea Level Change  - An international research program examining sea level change; includes information about their activities, publications, reports, and details for participants.
• Caspian MAP  - An international project to improve the marine and coastal environment of the Caspian Sea through water quality monitoring and developing pollution action plans; describes their programs, with background resources.
• The Caspian Sea  - A comprehensive report on the sea, its formation, hydrology, biodiversity, and ecological threats.
• Caspian Sea – GIWA Regional assessment 23  - Global International Waters Assessment of the current situation and historical trends relating to the ecosystem of the Caspian Sea.
• Caspian Sea Region  - A categorized listing of links to information about the Caspian Sea, regional news, and related resources.
• CaspInfo  - An international project to develop up-to-date marine, environmental, and research data and information; includes documents, progress reports, and background on the Caspian Sea.
• Caviar Emptor  - Highlights and promotes a campaign to protect and restore threatened Caspian Sea sturgeon, featuring news and information about the Beluga sturgeon and its status as a threatened species, as well as various reports, photographs, video, and a timeline.
• Fluctuating Levels of the Caspian Sea  - An article describing variations in the level of the Caspian Sea, particularly the current phenomenon of rising levels.
• Tehran Convention  - The Framework Convention for the Protection of the Marine Environment of the Caspian Sea agreed by the littoral states to protect the environment; includes the text, information resources, details of meetings, and news.