A global food shortage and unprecedented water scarcity have driven an increase in the use of partially treated or untreated waste water to irrigate crops, according to the International Water Management Institute report released yesterday at a world water conference in Sweden. IWMU researcher Liqa Raschid-Sally said waste water was used mainly to grow vegetables and cereals such as rice, and posed major health risks to consumers of uncooked vegetables.

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Source: http://www.thewest.com.au/default.aspx?MenuID=146&

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