Protection of the Marine Environment of the Caspian Sea
The Tehran Convention serves as an overarching governance framework which lays down the general requirements and the institutional mechanism for environmental protection and sustainable development in the Caspian Sea region.
Caspian Sea Region
Homepage and Caspian Sea region
About the Tehran Convention
History and development of the Convention.
Text of the Tehran Convention
Full text of the Convention.
Projects supporting the Tehran Convention.
Tehran Convention Protocols
Thematic Protocols developed under the Tehran Convention.
Conference of the Parties and Meetings
Past and upcoming Tehran Convention meetings and Conferences of the Parties.
Key Convention Documents
Other official documents under the Tehran Convention.
Cooperation and Partnerships
Ongoing cooperation and partners in support of the Tehran Convention.
Featured news and stories
Developments on environmental protection in the Caspian Sea region.
Saving the Caspian Seal: Research collaboration of Kazakhstan and Norway
An endangered endemic species of the Caspian Sea - Pusa Caspica - is affected by the consequences of climate change, global warming, pollution, including oil spills, by-catch and illegal hunting. It was listed by the IUCN (International Union for Conservation of Nature) in its Red List of Threatened Species in 2009.
Azerbaijani companies clean the surface of the Caspian Sea
Azerbaijan Caspian Shipping Closed Joint-Stock Company is engaged in cleaning the surface of the Caspian Sea, in particular the Baku Bay, of solid and liquid waste in an effort to reduce the negative effect of the functioning of industrial and other economic facilities and vessels, and other anthropogenic activities.
Uzboy - a thousand kilometers along the sleeping river
A constant and long-acting river flow, which once made its way from Sarakamysh to the Caspian Sea, formed a river valley in the desert with canyons and waterfalls, which still amaze travelers with their power and beauty. Rapid sections of the riverbed, drops from several meters to several tens of meters with traces of waterfalls, terraces with numerous remnants of freshwater mollusk shells and organic remnants of former flora — everything leaves no doubt that a full-flowing river flowed through these places.
Established by the five Caspian countries and serviced by the UN Environment Programme