A Finite Resource

by Adam Nieman

I’ve been trying to locate this graphic for sometime now; ever since I saw it on the BBC programme Q.I. (Quite Interesting) I’ve been meaning to blog about it.

It is a comparison by volume, where the small blue sphere on the left is all the water on Earth, and the pink sphere on the right is all the air on Earth.

The guy who designed this computer image, Adam Nieman, has really hit the spot in showing how finite resources both the Earth’s water and atmosphere are.

The Science Photo Library has this to say:- “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. The air sphere measures 1999 kilometres across and weighs 5140 trillion tonnes. ”

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