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 was adopted in Aktau, Kazakhstan on August 12, 2011. The Protocol for the Protection of the Caspian Sea against Pollution from Land-based Sources and Activities was signed in Moscow, Russian Federation, on December 12, 2012 at the 4th Meeting of the Conference of the Parties to the Tehran Convention. 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)