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KNAU Arizona Public Radio
knau. org > knau-and-arizona-news > 2026-05-18 > scientists-uranium-mining-company-clash-on-allowing-higher-arsenic-levels-in-groundwater

Scientists, uranium mining company clash on allowing higher arsenic levels in groundwater

5+ hour, 38+ min ago  (865+ words) The owner of a uranium mine near the Grand Canyon wants state regulators to allow a higher level of arsenic in groundwater under the facility. Two scientists, however, object to the proposal, arguing regulators shouldn't approve it until a more…...

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KNAU Arizona Public Radio
knau. org > knau-and-arizona-news > 2026-05-08 > uranium-ore-truck-crashes-on-navajo-nation-no-radiation-leak-detected

Uranium ore truck crashes on Navajo Nation, no radiation leak detected

1+ week, 3+ day ago  (364+ words) A semitruck hauling uranium ore was involved in a crash near Shonto on the Navajo Nation Wednesday. Officials say the collision occurred about a half-mile east of Highway 160 and State Route 98 in Navajo County. The truck was transporting uranium ore…...

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KNAU Arizona Public Radio
knau. org > 2026-04-27 > why-the-stillaguamish-tribe-in-washington-is-buying-up-farmland

Why the Stillaguamish Tribe in Washington is buying up farmland

3+ week, 3+ hour ago  (603+ words) JOHN RYAN, BYLINE: Scott Boyd is walking through deep mud where the Stillaguamish River empties into the Pacific Ocean. This flood-prone river mouth north of Seattle changed dramatically last fall. That's when the Stillaguamish Tribe removed 2 miles of earthen levee…...

KNAU Arizona Public Radio
knau. org > knau-and-arizona-news > 2026-04-02 > federal-appeals-court-rejects-challenge-to-arizona-national-monument

Federal appeals court rejects challenge to Arizona national monument

1+ mon, 2+ week ago  (358+ words) The 9th U. S. Circuit Court of Appeals has rejected an attempt by Arizona Republicans to nullify a nearly million-acre national monument near the Grand Canyon. The panel of judges wrote that the arguments brought by the Arizona Legislature and Treasurer Kimberly Yee…...

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KNAU Arizona Public Radio
knau. org > knau-and-arizona-news > 2026-03-16 > apache-women-seek-court-intervention-as-federal-land-is-turned-over-for-copper-mining

Apache women seek court intervention as federal land is turned over for copper mining

2+ mon, 2+ day ago  (568+ words) The transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest copper deposits in North America is complete, but a group of Apache women is asking the U. S. Supreme Court…...

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KNAU Arizona Public Radio
knau. org > knau-and-arizona-news > 2025-11-04 > epa-begins-uranium-mine-cleanup-near-four-corners

EPA begins uranium mine cleanup near Four Corners

6+ mon, 2+ week ago  (260+ words) The Environmental Protection Agency has begun the cleanup of uranium mine waste in the Lukachukai Mountains near Four Corners on the Navajo Nation. The $13 million effort is part of a Superfund site in Cove, Ariz. , at the Mesa V complex…...

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KNAU Arizona Public Radio
knau. org > knau-and-arizona-news > 2026-02-25 > arizona-universities-pioneer-software-to-identify-abandoned-mines

Arizona universities pioneer software to identify abandoned mines

2+ mon, 3+ week ago  (279+ words) Arizona's three public universities have developed a new tool to help environmental officials find and cleanup abandoned mines in the state. The interactive database maps the tens of thousands of abandoned mines statewide and details how they interact with sensitive…...

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KNAU Arizona Public Radio
knau. org > npr-news > 2025-08-08 > us-mining-industry-benefitting-from-bi-partisan-federal-assistance

US Mining industry benefitting from bi-partisan federal assistance

9+ mon, 1+ week ago  (498+ words) The United States has been so worried about trade imbalances for basic raw materials that it set aside tens of billions of dollars to support new domestic mines and metal refineries. The President even invoked the Defense Production Act to…...