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HOME > Water Infrastructure > Fresh Water Supplies

Global Water Supplies - 3% Fresh Water

Global Water Supplies include only 3% Fresh Water -- all the rest is salt or brackish water.

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Of all the freshwater on Earth, only about 0.3 percent is contained
in rivers and lakes--yet rivers and lakes are not only the water we are
most familiar with, it is also where most of the water we use in our
everyday lives exists.

 

Barcharts of the distribution of water on Earth.

 

Over 96% of the world's total water supply (about 326 million cubic miles) is saline. And, of  total freshwater, over 68% is locked up in ice and glaciers.

Another 30 percent of freshwater is in the ground. Surface-water sources, such as rivers, only constitute about 300 cubic miles (about 1/10,000 th of one percent of total water).

It makes sense that we protect and recycle the fresh water that we have easy access to!  It seems a waste to use fresh water to transport waste materials!  Maybe we need to look at other options for transporting human waste -- such as composting toilets.  And to fully develop the recycling of potable water. 

Fresh water is truly our most precious natural resource!


Edited by Carolyn Allen, Managing Editor of Solutions For Green

Publication Date: 1/14/2009
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