Nevada's Mojave Desert is a dry place - and it's getting drier. Its primary source of potable water - Lake Mead, the reservoir created by the Hoover Dam -was once able to supply not just Nevada, but also Arizona and California with ease. But while the population grows, the lake is shrinking.rnLake Mead relies on the melted snows of the Rocky Mountains being channelled into it via the Colorado River. But climate change, coupled with several years of drought, means that supply is drying up, and the lake levels are dropping accordingly. From its original level of 381m, the water level had dropped to just 339m by January this year.
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