Jennifer C. McIntosh – The Conversation

Groundwater is used for irrigation and drinking water, but those wells are rarely more than one kilometre deep. A huge volume of salty water exists as much as 10 kilometres below the Earth’s surface. (Shutterstock)

January 19, 2022

Groundwater — not ice sheets — is the largest source of water on land and most of it is ancient

Grant Ferguson, University of Saskatchewan and Jennifer C. McIntosh, University of Arizona

Groundwater is the second-largest store of water on Earth. Governments and industry use groundwater reservoirs to store waste, but it may also have environmental functions that haven’t been revealed.

Sunrise in the Salinas Valley, an agriculture hub of central California. Depleted aquifers have left once-valuable cropland useless. Shutterstock

January 15, 2019

The global race for groundwater speeds up to feed agriculture’s growing needs

Grant Ferguson, University of Saskatchewan and Jennifer C. McIntosh, University of Arizona

Groundwater supplies around the world are under threat as drilling companies bore deeper and deeper wells.

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