Water deficits growing in many countries

Lester R. Brown

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Water deficits growing in many countries

机译：许多国家的水赤字增加

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The world is incurring a vast water deficit, reports Lester Brown, president of the Earth Policy Institute. It is largely invisible because it can't be seen until wells go dry. It is historically recent because demand for water has tripled over the last half-century due to the spread of powerful pumps. And it is growing fast as water tables drop dramatically. In Yemen, a country of 19 million, the water table under most of the country is falling by roughly two meters a year. World Bank official Christopher Ward observes that "groundwater is being mined at such a rate that parts of the rural economy could disappear within a generation."

机译：地球政策研究所所长莱斯特·布朗（Lester Brown）报告说，世界正面临着巨大的水资源短缺。它在很大程度上是看不见的，因为只有在井干之前才能看到它。从历史上看，由于强大的水泵的普及，在过去的半个世纪中，对水的需求增加了两倍。随着地下水位的急剧下降，它正在快速增长。在也门这个有1900万人口的国家，该国大部分地区的地下水位每年下降约两米。世界银行官员克里斯托弗·沃德（Christopher Ward）指出，“开采地下水的速度使一部分农村经济可能在一代人的时间内消失”。

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《Agriculture & Equipment International》 |2002年第5期|共1页
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Lester R. Brown;
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Water deficits growing in many countries

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