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%
Transport in Uzbekistan of inland waterways. Since the mid-1990s, commercial travel on Uzbekistan's portion of the Amu Darya has been reduced because of low water levels. As of 2010, Uzbekistan had 10,253 kilometers of natural gas pipelines, 868 kilometers of oil pipelines, and 33 kilometers of pipelines for refined products. As of 2012, Uzbekistan has 53 airports. 33 of them have paved runways, six of which had runways longer than 3,000 meters. The largest of them, Tashkent International Airport, is linked with European and Middle Eastern cities by direct flights of Aeroflot, Lufthansa, and Turkish Airlines, and with New York and Los Angeles