In Kenya, fighting has broken out over scarce water and pastures.

在肯尼亚，人们为稀缺的水资源和牧场发生争斗。

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Researchers studying rocks brought back by astronauts have found that the moon's scarce water has a different chemical signature than Earth water.

通过研究宇航员从月球上带回来的岩石标本，科学家们发现月球上稀少的水资源与地球水资源的化学成分并不相符。

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Researchers studying rocks brought back by astronauts have found that the moon's scarce water has a different chemical signature than Earth water.

研究人员通过研究宇航员从月球上带回的岩石发现月球上那少得可怜的水其化学成分跟地球上的水不同的。

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Now,a great deal of that is related to the competition over scarce resources, particularly water.

VOA: standard.2010.03.23

But food and water are scarce after armed looters raided stores of supplies.

VOA: standard.2010.06.15

Desalination technology has historically been more widely embraced by countries with scarce water resources, such as the Middle East.

FORBES: NanoH2O Lines up $60.5M For Water Purification Tech

Because solar power production makes the most sense in sunny, arid climates, this is precisely where consuming scarce water resources is most harmful to the environment.

FORBES: Obama Unites Global Warming Alarmists, Skeptics In Presidential Debates

Farmers soak up about 85% of the border region's scarce water, and on the semi-arid land on both sides they grow thirsty cash crops like sugar cane.

ECONOMIST: IOU H2O