Gauteng and NW Province

Earth’s water fits into a sphere.

As you know, the earth is a watery place. But just how much water exists on, in and above our planet? This picture shows the size of a sphere that would contain all of Earth’s water in comparison to the size of the Earth.  As far as people are concerned, almost all of Earth’s water is not usable in everyday life. Water on, in and above the Earth is never sitting still, and, thanks to the water cycle, our planet’s water supply is constantly moving from one place to another and from one form to another. The blue sphere sitting on the United States, reaching from about Salt Lake City, Utah to Topeka, Kansas, has a diameter of about 1 385km, with a volume of about 1.386 billion km3. The ball is actually much large than it looks because we are talking about volume. The sphere includes all the water in the oceans, seas, ice caps, lakes and rivers as well as groundwater, atmospheric water and even the water in all beings. Only 3% of all this water is fresh and much of that is polluted. In reality we have very little drinkable water.

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