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Science 9 August 2002:
Vol. 297. no. 5583, pp. 926 - 927
DOI: 10.1126/science.297.5583.926
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News Focus

ENVIRONMENTAL DATA:
Water Scarcity: Forecasting the Future With Spotty Data

Kathryn Brown

While global water models warn of parched days ahead, scientists worry that another pressing scarcity is information. In countries rich and poor, water data are often based on patchy estimates; along with confusion, water miscalculations have brought nasty surprises. And the knowledge gap shows little sign of improving.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)