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
Uzbekistan the Shanghai Cooperation Organisation (SCO) and hosts the SCO's Regional Anti-Terrorist Structure (RATS) in Tashkent. Uzbekistan joined the new Central Asian Cooperation Organisation (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, and joined in March 1998 by Tajikistan. In September 2006, UNESCO presented Islam Karimov an award for Uzbekistan's preservation of its rich culture and traditions. Despite criticism, this seems to be a sign of improving relationships between Uzbekistan and the West. The month of October 2006