If you divert the water going into a lake, it gets smaller. Besides their beauty, lakes provide flood protection, habitat for wildlife, food for many people in the world, and recharge groundwater from which so much of the world draws its water supplies. But, as this piece from the Earth Policy Institute shows, water diversion for irrigation and municipal water supplies has turned many lakes into toxic deserts and many others into salty dead zones.
(Via The Future is Green.)
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