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    Water crisis linked to poor governance, says Toepfer.

    Habitat Debate. 2000; 6(3):[4] p..

    Cities concentrate people in high-density settlements creating severe demand for services like water supply and sanitation. It is really a matter of concern that some 95 per cent of the urban population increase over the next 30 years will be in less developed countries. Out of 19 megacities of the world, 15 are in developing countries. Cities are increasingly forced to transport water from longer distances, often beyond natural watersheds and even across national boundaries, as in the case of Johannesburg. In other cases, over-exploitation of groundwater has resulted in major environmental problems. Mexico City, for example, has sunk more than 10 metres in the last 70 years. Thailand is facing irreversible damage to freshwater aquifers from saltwater intrusion, caused by over-abstraction of groundwater. (excerpt)
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