The American Southwest is facing an unprecedented drought as temperatures reach record highs and scant rainfall is to be found. Unfortunately, federal and state policy has encouraged rapid population growth and the transformation of arid land into intensive agricultural expanses across the region over the last century. Now, the desert is striking back and the federal government has declared a water shortage at Lake Mead in Nevada and Arizona for the first time ever.
Lake Mead is one of the principal reservoirs feeding water to the Colorado River and was formed by the completion of the Hoover Dam in 1935. The Colorado River, through several different canals, is the
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