Sandstorms- Believe it or not this could be our fault. Human actions like off roading destroy plants and scar the earth. The dry soil of the desert is quickly eroded by the wind. Plants hold the dirt together so it doesn't blow away. These plants can take years to regrow. A saguaro cactus takes two hundred years to fully grow. Humans play a hand in the problem by off roading off the cleared trails. The destruction of plants not only adds to the frequency of sandstorms but hurts the animals.
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