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.
Homepage and Caspian Sea region
History and development of the Convention.
Full text of the Convention.
Projects supporting the Tehran Convention.
Thematic Protocols developed under the Tehran Convention.
Past and upcoming Tehran Convention meetings and Conferences of the Parties.
Other official documents under the Tehran Convention.
Ongoing cooperation and partners in support of the Tehran Convention.
Featured news and stories
Developments on environmental protection in the Caspian Sea region.
Moscow Protocol to the Tehran Convention is ratified and enters into force
On 15 August 2023 Russian Federation ratified the Moscow Protocol to the Tehran Convention. The Protocol is now ratified by all the five members of the Tehran Convention and will be the second Protocol to the Convention to enter into force.
A comprehensive environmental study carried out in the Caspian Sea
An expedition group composed of the representatives of the Ministry of Ecology and Natural Resources of Azerbaijan and the Institute of Zoology of the Ministry of Science and Education completed another comprehensive environmental study in the Caspian Sea.
Established by the five Caspian countries and serviced by the UN Environment Programme