Geography of Uzbekistan Kazakhstan, also yielded about 60% of the total volume of Central Asia's emissions of harmful substances into the atmosphere. Because automobiles are relatively scarce, automotive exhaust is a problem only in Tashkent and Farghona. The reduction of water in Uzbekistan has resulted in soil degradation, and the spread of the salt from the evaporated Aral Sea has contaminated the surrounding soil. The soil has lost much of its water due to the increased surface irrigation. The irrigation of farmlands with water from the Aral Sea has resulted in increased salinization of the soil, causing the farmland to be less productive
Foreign relations of Kazakhstan Canada, Mexico, Brazil, Venezuela and other countries. Kazakhstan's main foreign policy efforts are focused on achieving the following goals: Not until 2005 did Kazakhstan, Russia, Turkmenistan, and Uzbekistan agree to begin demarcating their shared borders. No seabed boundary with Turkmenistan in the Caspian Sea has been agreed on and the usage of Caspian Sea water is a matter that remains unsettled by international agreement. According to Bakhytzhan Sagintaev, first deputy prime minister, in 2015 Kazakhstan and China will sign an intergovernmental agreement on water allocation of the 24 transboundary rivers. When the Soviet Union collapsed in December 1991, Kazakhstan inherited