The NRDC study rates Pima County, Ariz., where Tuscon is located, as an area with extreme risk of water shortage.

英国国家科学研究开发公司（NRDC）的一份研究将图森所在的亚利桑那州 Pima （皮马）县列为水资源极端危险地区。

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We also considered a comprehensive July 2010 report from the Natural Resources Defense Council, which mapped areas at high risk of water shortage conflict.

同时我们综合考虑了自然资源保护协会2010年7月的报告，该报告提供了标示有水资源高危地区的地图。

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