TUCSON, Ariz. (13 News) - Humans are more responsible for depleting southern Arizona aquifers than climate change.

That’s the finding of new research out of the University of Arizona , and it may not sound like good news. But 13 Fact Finders explains why it creates an opportunity for more water in the future.

“Even during the driest period, about 6,000 years ago, there was still recharge to the Tucson basin even though the water levels were a lot lower,” said study leader, Dr. Jennifer McIntosh, also the Thomas Meixner Endowed Chair of Hydrology and Atmospheric Sciences in the College of Science .

More water replacement than expected was found by Dr. McIntosh, using water samples from right under the University of Arizona campus.

“The water’s coming from a pipe that’s dra

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