North Aral Sea levels further were due to begin in 2010. The Aral Sea began shrinking in the 1960s, when the Soviet Union decided that the two rivers feeding it, the Amu Darya and the Syr Darya, would be diverted to irrigate cotton and food crops in Kazakhstan and Uzbekistan. In 1986, due to an accelerated loss of water, the Aral Sea split into northern and southern parts; the southern part is the current South Aral Sea. There is now an ongoing effort in Kazakhstan to save and replenish the North Aral Sea. As part of this effort, a dam project was completed
Foreign relations of Uzbekistan Azerbaijan and Moldova), which was formed in 1997 (temporarily making it GUUAM until Uzbekistan withdrew in 2005). Uzbekistan is also a member of the Shanghai Cooperation Organisation (SCO) and hosts the SCO’s Regional Anti-Terrorist Structure (RATS) in Tashkent. Uzbekistan also joined the new Central Asian Cooperation Organization (CACO) in 2002. The CACO consists of Uzbekistan, Tajikistan, Kazakhstan, and Kyrgyzstan. It is a founding member of and remains involved in the Central Asian Union, formed with Kazakhstan and Kyrgyzstan, joined in March 1998 by Tajikistan. Antti Turunen, the head of the Finnish Foreign Ministry's Eastern European and Central Asian department, led