FELIX PHARAND-DESCHENES, GLOBAIA / SCIENCE PHOTO LIBRARY FELIX PHARAND-DESCHENES, GLOBAIA / SCIENCE PHOTO LIBRARY
Global fresh water volume. Illustration of the planet Earth with a visualisation of a sphere showing the amount of accessible fresh water in the world (blue). The spheres show how finite water supplies are. The water sphere measures 1390 kilometres across and has a volume of 1.4 billion cubic kilometres. This includes all the water in the oceans, seas, ice caps, lakes and rivers as well as ground water, and that in the atmosphere.
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