All the Earth’s Water

All the water on the Earth

How much water is available on Earth?  A surprisingly small amount. This visual from the Woods Hole Oceanographic Institute really brings that home.

If all the water on the planet were gathered into a ball, the radius would be only 700 km (420 miles). The amount of freshwater available is even less than that.

Illustration by Jack Cook, Woods Hole Oceanographic Institution, Howard Perlman, USGS

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Author: Heather Carr

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