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The groundwater footprint. If you haven鈥檛 heard that term yet, read on, because it soon could become as familiar as 鈥渃arbon footprint.鈥�

Published January 29 2014 |
Written by Patrick McDonagh

Groundwater, which originates in rain, snow or ice, collects or flows beneath the earth鈥檚 surface, providing the water to replenish aquifers, springs and wells. The groundwater footprint is essentially a tool for evaluating where and how this groundwater can be used sustainably.

Department of Civil Engineering and Applied Mechanics professor Tom Gleeson says 鈥渁bout two billion people drink groundwater every day, and it鈥檚 just as important to industry and agriculture because 40 per cent of irrigation water around the globe also comes from groundwater.鈥�

But Gleeson鈥檚 research shows there is a problem.

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