Groundwater Vulnerability


The Earth is truly a blue planet; 70% of its surface is covered with water. Unfortunately 97.5% of that is salt water, unusable for humans. Fresh water accounts for the other 2.5%, however, about two thirds of that is locked up in glaciers and in the icy poles. That leaves humans (and every other living creature on land) only about 1% of all the water on Earth to use.


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