Biscayne Bay Is Slowly Becoming the Ocean

In the shadow of Miami’s skyline, in water churned daily by boats and jet skis, juvenile great hammerhead sharks—a critically endangered species—spend the first two years of their lives. A few miles from downtown, researchers recently pulled a 12-foot critically endangered sawfish from the same shallows. The species has been dying off in alarming numbers […]

An Iowa Town Spent $800,000 on a New Well. It Pumps Undrinkable Water.

PRINCETON, Iowa—From the beginning, the new well was a headache. Late in 2022, an overly powerful pump caused eight months of costly water main breaks in Princeton, a town of nearly 1,000 residents on the banks of the silty Mississippi River. Installing a smaller motor seemed to fix that issue, but revealed a different, all-too-familiar […]

As a Colorado Aquifer Runs Low, Dangerous Heavy Metals Threaten Rural Communities’ Drinking Water

Julie Zahringer hears a common refrain at her environmental laboratory in Alamosa, Colorado: A customer has been drinking well water on family land where they’ve lived for years, but recently noticed it has changed. They want to know why. “All of a sudden it looks different, tastes different, there’s odor, there’s color,” said Zahringer. Zahringer’s […]

Corpus Christi Water Crisis Spurs Stampede on South Texas Aquifers

JIM WELLS COUNTY, Texas—Dwindling levels in this region’s main reservoirs have triggered a rush on local aquifers as cities, towns, chemical plants and ranchers drill for water. The nearby city of Corpus Christi faces a looming catastrophe from the imminent depletion of water supplies that sustain 500,000 people and one of Texas’s main industrial complexes. […]

Tides Generate Detectable Electrical Signals in Coastal Aquifers

Conceptual model of the generation of Self-Potential (SP) signals measured by electrodes at Benone Strand under different hydrodynamic conditions: (a) normal tidal oscillations, (b) storm surge conditions, and (c) post-surge recovery. The model illustrates the movement of the fresh–saltwater interface in response to sea-level changes and indicates the locations of the SP electrodes at pads A and…

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