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'An Unexplored World Right Beneath Our Feet:' Northern Arizona University Cave Ecologist Discusses the Importance of Caves in Discussions on Conservation
June 16, 2021
FLAGSTAFF, Arizona, June 16 (TNSJou) -- Northern Arizona University issued the following news:

More than two-thirds of the Earth's surface is covered in water.

All that water you can see, though, does little to keep the human denizens of the planet hydrated. Most of the world's population relies on groundwater, which is 95 percent of the world's available water (not frozen, not saline), to survive. That means all of us should be critically concerned about . . .

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