Maarten A. Siebel Assoc. Professor of Environmental Biotechnology UNESCO-IHE DELFT, THE NETHERLANDS Maarten Siebel – UNESCO-IHE Dima Nazer – Technical

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  • Maarten A. Siebel Assoc. Professor of Environmental Biotechnology UNESCO-IHE DELFT, THE NETHERLANDS Maarten Siebel UNESCO-IHE Dima Nazer Technical college Hebron, Palestine FROM WATER SCARCITY TO SUSTAINABLE WATER USE IN THE WEST BANK, PALESTINE
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  • The West Bank has, for political reasons, less water than is naturally available Total recharge 679 Mm 3 /year Palestinian abstraction 119 Mm 3 /year Israeli abstraction 648 Mm 3 /year Balance: - 88 Mm 3 /year (2006) and increasing due to population/economic growth
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  • 232 m 3 366m 3 300m 3 Israel USA Europe West Bank 50 m 3
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  • Reducing material input and thus final disposal Material recycling of end-of-life product Recycling of production waste Re-use of product Resources Final disposal Production Product use
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  • Wastewate r A pproach towards water use
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  • Increasing material use efficiency resources products waste products products
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  • Rain water harvesting systems Install dry toilets Grey water reuse systems Low flow shower heads and faucet aerators Prevent leakage Domestic water use
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  • Process A Evaluate quality Used- water treatment Process BProcess C Evaluate quality Used- water treatment Water Raw material Product Used-water Minimum waste disposal Industrial water use
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  • Expanding rain-fed agriculture Virtual water trade Changing cropping patterns according to water use Used-water reuse Efficient irrigation systems Water pricing Agricultural Water Use
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  • In conclusion
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  • Maarten A. Siebel m.siebel@unesco-ihe.org