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
Kazakhstan–Uzbekistan relations Kazakhstan–Uzbekistan relations Kazakhstan–Uzbekistan relations refers to the relations between the neighbouring Republic of Kazakhstan and Republic of Uzbekistan. The last President of Uzbekistan Islam Karimov has visited Kazakhstan several times. Both Kazakhstan and Uzbekistan were part of the Soviet Union before its official dissolution in 1991. At the start of the 21st century, 96% of the international border between Uzbekistan and Kazakhstan had been determined. In 2001, after mutual agreements, the border line in only three disputed areas (Bagys, Arnasai and Nsan) remained undrawn. By September 2002, Kazakhstan and Uzbekistan had fully resolved the course of their 2,440 km-long shared