he International Water Management Institute (IWMI) published a report in 2006 by 700 experts, warning that one in three people were ‘enduring one form or another of water scarcity’. For food alone, the World Bank estimates that demand for water will rise 50 per cent by 2030, and IWMI fears it could nearly double by 2050.
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Source: http://dailymailnews.com/200812/02/dmcolumnpage.ht