Environmental issues in Kazakhstan sea’s already grave pollution. International programs to save the Aral and Caspian seas have not received meaningful cooperation from Kazakhstan or other member nations. The Aral Sea covers with Kazakhstan to the north and Uzbekistan to the south. Soviet irrigation projects begun in the 1960s and other environmental challenges have severely depleted this once massive inland sea and by 2007, it had shrunk to 10 percent of its original size. The efforts included Syr Darya Control & Northern Aral Sea (NAS) project. The $86 million NAS project, funded jointly by the World Bank through a loan of $65 million and
Rivers of New Zealand scenic rivers. Over half of the electricity generated in New Zealand is hydroelectric power. Hydroelectric power stations have been constructed on many rivers which dam the river completely, or channel a portion of the water through the power station. There is large hydroelectric power scheme in the North Island and in the South Island where water is diverted between rivers using a system of canals that is used to maximise the electricity generation. River conservation is threatened by pollution inflows from point and non-point sources. In the past rivers had been used for pollution discharges from factories and municipal sewerage