GAPs investigations show that every single water source in the region was intensively and relentlessly exploited.

GAP项目调查显示，这块区域里每一个单独的水资源已经被无情地过度开发了。

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89% of the population in that region now have access to an improved water source, up from just 69% in 1990.

该地区能够获得安全水源的人口从1990年的只有69%增长到现在的89%。

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It was, however, the sole source of potable under water in the region.

但是，它是这一地区唯一的饮用水源。

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Agricultural cultivation consumes the largest share of water in the Arab region and is a primary source of water stress.

UNESCO: EDUCATION

In Part 3 , we look at how the main water source for most of this region, the Colorado River, has been affected by drought, and how that may affect the water politics in the upcoming decades.

NPR: Struggling over Water: A Series Overview