It’s been said that the wars of the 21st century may well be fought over water. The Earth’s population has more than doubled over the last 50 years and the demand for fresh water — to drink and to grow food — has surged along with it. But sources of water like rainfall, rivers, streams, reservoirs, certainly haven’t doubled. So where is all that extra water coming from? More and more, it’s being pumped out of the ground. Here is a direct video link.
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