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"When the well's dry, we know the worth of water."
"Although water covers much of the globe, over 95% is salt water - only 1% is fresh water available for human use."1 "Water use increased six-fold during the 20th Century, more than twice the rate of population growth."1 Water is removed from underground aquifers faster than they recharge. Globally, water is in very short supply and climate change will exacerbate shortages. "Water conservation is essential to sustainability for any large city."2 Even in Houston – a water rich region – water shortages are predicted by 2060.
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Last updated or reviewed on 8/20/12