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
Kyrgyzstan–Uzbekistan border Kyrgyzstan–Uzbekistan border The Kyrgyzstan-Uzbekistan border is 1,314km (816m) and runs from the tripoint with Kazakhstan to the tripoint with Tajikistan. It is Kyrgyzstan’s longest external boundary. The border starts in the north at the tripoint with Kazakhstan and then creates a ‘finger’ of Uzbek territory wedged between Kazakhstan and Kyrgyzstan; the border traverses the Pskem Mountains, with much of this area being taken up by a series of national parks (Ugam-Chatkal National Park in Uzbekistan and Besh-Aral State Nature Reserve in Kyrgyzstan). The boundary then proceeds in a roughly south-eastwards direction, traversing the Chatkal Range and the Qurama Mountains before