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Millennium Ecosystem Assessment
Uploaded on Tuesday 21 Feb 2012
Unsustainable water withdrawals for irrigation
Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
The imbalance in long-term water budgets necessitates diversion of surface water or the tapping of groundwater resources. The areas shown with moderate-to-high levels of unsustainable use occur over each continent and are known to be areas of aquifer mining or major water transfer schemes.