Source: THE CONVERSATION, 1/15/19


Water is becoming a scarce resource in many parts of the world. Water tables have been falling in many regions for decades, particularly in areas with intensive agriculture. Wells are going dry and there are few long-term solutions available — a common stopgap has been to drill deeper wells. This is exactly what happened in California’s Central Valley. The recent drought there prompted drilling of deeper and deeper water wells to support irrigated agriculture.

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