Kura (Caspian Sea) drained and reservoirs were created to facilitate development of irrigation in the lower Kura valley. In the 1950s and 1960s, when the Caucasus region was part of the Soviet Union, construction of many of the reservoirs and waterworks in the Kura basin began. Of the major reservoirs in the Kura catchment, one of the earliest was at Varvara in 1952. Large scale construction of dams continued until the 1970s. Kura (Caspian Sea) The Kura (; ; , "Mt’k’vari"; , "Kur"; , "Cyrus"; , "Kuruš" ) is an east-flowing river south of the Greater Caucasus Mountains which drains the southern slopes
Framework Convention for the Protection of the Marine Environment of the Caspian Sea Framework Convention for the Protection of the Marine Environment of the Caspian Sea Framework Convention for the Protection of the Marine Environment of the Caspian Sea is a regional convention signed by the official representatives of the five littoral Caspian states: Azerbaijan, Iran, Kazakhstan, Russian Federation and Turkmenistan in Tehran (Iran) on 4 November 2003. The Framework Convention, also called Tehran Convention, entered into force on 12 August 2006. The objective of this convention is “the protection of the Caspian environment from all sources of pollution including the protection, preservation, restoration and sustainable and rational use of the biological resources