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 after the May 2005 unrest and Uzbekistan demanded that the U.S. leave Karshi-Khanabad). It is a member of the United Nations, the Euro-Atlantic Partnership Council, Partnership for Peace, and the Organization for Security and Cooperation in Europe (OSCE). It belongs to the Organisation of Islamic Cooperation (OIC) and the Economic Cooperation Organization, which comprises 7 Central Asian countries: Pakistan, Uzbekistan, Kazakhstan, Turkmenistan, Afghanistan, Kyrgyzstan and Tajikistan. 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. In 1999, Uzbekistan joined the GUAM alliance (Georgia, Ukraine,