Tracy, California: On the west side of the San Joaquin Valley, June 2014. Groundwater drilling has increased in California's Central Valley to keep fields green during drought. Photo by Dennis Dimick
As surface water supplies in drought-prone regions disappear, we pump water from underground aquifers to make up the shortfall. Groundwater serves as our last defense against water scarcity, but this supply is also rapidly shrinking in several regions: California's Central Valley, the Colorado River Basin, the U.S. Great Plains, northern India, China's North Plain and the Middle East.
I write about this at National Geographic this week. Please take a look.
If You Think the Water Crisis Can't Get Worse, Wait Until the Aquifers Are Drained
And if you have not seen, my July 15 article at National Geographic looks at drought in the pantheon of attention paid to environmental issues:
Storms Get Headlines, But Drought is a Sneaky, Devastating Game-Changer