Environmental issues in Kazakhstan at the Semipalatinsk nuclear testing facility (in fact a large zone south of Kourchatov (Курчатов)) and along the Chinese border. The Central Asian Regional Environmental Center is located in Kazakhstan, which fosters regional cooperation on environmental issues. Most of Kazakhstan’s water supply has been polluted by industrial and agricultural runoff and, in some places, radioactivity. The Aral Sea, which is shared with Uzbekistan, has shrunk to three separate bodies of water because of water drawdowns in its tributary rivers. A Soviet-era biological weapons site is a threat because it is located on a former island in the Aral Sea that
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