Uzbekistan low temperature is around −23 °C . Uzbekistan has a rich and diverse natural environment. However, decades of questionable Soviet policies in pursuit of greater cotton production have resulted in a catastrophic scenario with the agricultural industry being the main contributor to the pollution and devastation of both air and water in the country. The Aral Sea used to be the fourth-largest inland sea on Earth, acting as an influencing factor in the air moisture and arid land use. Since the 1960s, the decade when the overuse of the Aral Sea water began, it has shrunk to less than 50%
Geography of Uzbekistan ridges on the periphery of the valley. Water resources, which are unevenly distributed, are in short supply in most of Uzbekistan. The vast plains that occupy two-thirds of Uzbekistan's territory have little water, and there are few lakes. The two largest rivers feeding Uzbekistan are the Amu Darya and the Syr Darya, which originate in the mountains of Tajikistan and Kyrgyzstan, respectively. These rivers form the two main river basins of Central Asia; they are used primarily for irrigation, and several artificial canals have been built to expand the supply of arable land in the Fergana Valley and elsewhere. During