Analysis of groundwater sampling across the Grand Canyon region reveals arsenic levels at Pinyon Plain uranium mine seem high ...

Forty wells and springs across the Grand Canyon region were tested for arsenic. The results at Pinyon Plain uranium mine are ...

Rising arsenic levels in monitoring wells at Pinyon Plain uranium mine raise concerns about possible contamination of groundwater in the Grand Canyon region.

After years of grassroots advocacy, the Navajo Nation has designated the confluence of the Little Colorado and Colorado rivers as a sacred site. Save the Confluence, a grassroots coalition of Navajo ...

Two out of three Utah voters support restoring greater protections to all of Bears Ears and Grand Staircase-Escalante national monuments. A new poll shows that the Trump administration’s illegal July ...

See maps showing the 2026 reductions to Bears Ears and Grand Staircase-Escalante national monuments. On July 13, 2026, President Trump issued proclamations reducing Bears Ears and Grand ...

President Trump attempts to unlawfully shrink two Utah national monuments and eliminate the role of tribes in managing their ancestral lands. On July 13, 2026, President Trump again attempted to gut ...

Uranium and arsenic levels in the sump at Pinyon Plain Mine are more than 3,000 times higher than safe drinking water levels, company data shows. A common yet dangerous occurrence in the hardrock ...

The Grand Canyon is really two distinct national parks, whatever the lines on the map say. The better-known South Rim receives most of the park’s nearly 5 million annual visitors; it’s bustling with ...

Scientists are learning more about the wildly complicated ways water moves through the Grand Canyon, and how what happens above ground affects what flows beneath. It’s dead summer, and the Grand ...