Geography of Uzbekistan has been working to help improve the health conditions in Uzbekistan since the 1990s. This has led to improvements in drinking water. The World Bank and United Nations have also been involved in preparing possible solutions for the environmental problems in Uzbekistan. The World Bank worked with the countries in the Aral Sea Basin to form the Aral Sea Basin Assistance Program (ASBP) in the early 1990s. The main roles of the ASBP were the rehabilitation of the Aral Sea area that was destroyed through evaporation, the planning and management of the Amu Darya and Syr Darya rivers, and the
Kazakhstan–Uzbekistan border covering large parts of what are now southern Kazakhstan, Uzbekistan and Tajikistan, as well as Turkmenistan), and the Kirghiz Autonomous Soviet Socialist Republic (Kirghiz ASSR, Kirgizistan ASSR on the map), which was created on 26 August 1920 in the territory roughly coinciding with the northern part of today's Kazakhstan (at this time Kazakhs were referred to as ‘Kyrgyz’ and what are now the Kyrgyz were deemed a sub-group of the Kazakhs and referred to as ‘Kara-Kyrgyz’ i.e. mountain-dwelling ‘black-Kyrgyz’). There were also the two separate successor ‘republics’ of the Emirate of Bukhara and the Khanate of Khiva, which were transformed