Geography of Kazakhstan the water in Kazakhstan is polluted by industrial effluents, pesticide and fertilizer residue, and, in some places, radioactive elements. The most visible damage has been to the Aral Sea, which as recently as the 1970s was larger than any of the Great Lakes of North America save Lake Superior. The sea began to shrink rapidly when sharply increased irrigation and other demands on the only significant tributaries, the Syr Darya and the Amu Darya (the latter reaching the Aral from neighboring Uzbekistan), all but eliminated inflow. During the Soviet Era, Kazakhstan received water from Tajikistan and Kyrgyzstan, and Uzbekistan, Turkmenistan,
Science and technology in Uzbekistan on nurturing new high-tech industries and orienting the economy towards export markets. Whereas Kyrgyzstan, Tajikistan and Kazakhstan have been members of the World Trade Organization since 1998, 2013 and 2015 respectively, Uzbekistan and Turkmenistan have adopted a policy of self-reliance. Symptomatic of this policy is the lesser role played by foreign direct investment in Uzbekistan. It contributed just 1.6% of GDP in 2015, after peaking at 4.2% of GDP in 2010. In Uzbekistan, the state controls virtually all strategic sectors of the economy, including agriculture, manufacturing and finance, foreign investors being relegated to less vital sectors like tourism. Funding for