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Mining

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Advocates: Fast-track mine review puts Arizona owl habitat at risk
State

Advocates: Fast-track mine review puts Arizona owl habitat at risk

  • Sarah Henry Arizona Republic
  • Updated May 28, 2026

An elusive threatened owl species also lives in Copper Creek Canyon, trail camera footage captured by the Lower San Pedro Watershed Alliance shows.

Local opinion: Arizona’s mining future collides with water reality
Columnists

Local opinion: Arizona’s mining future collides with water reality

  • Mort Rosenblum Special to the Arizona Daily Star
  • Updated May 24, 2026

As major mining projects expand across Southern Arizona, critics warn the push for copper and other minerals could strain the state’s dwindling water supply and threaten fragile desert ecosystems for generations to come.

Japanese company invests in mine near Mount Lemmon
Subscriber

Japanese company invests in mine near Mount Lemmon

  • Gabriela Rico
  • Updated Jun 8, 2026

For Subscribers: Nittetsu Mining will invest up to $27 million in the future Oracle Ridge mine near the Pinal County line.

Opponents place lien on state land bought by Hudbay Minerals south of Tucson
Business

Opponents place lien on state land bought by Hudbay Minerals south of Tucson

  • Tony Davis
  • Updated May 18, 2026

Opponents of the Copper World mining project in the Santa Rita Mountains have placed a lien on 160 acres of state land that mine developer Hud…

Opponents sue to try to overturn Arizona land sale to Hudbay Minerals
Local news

Opponents sue to try to overturn Arizona land sale to Hudbay Minerals

  • Tony Davis
  • Updated May 27, 2026

The land sale is seen by Copper World developer Hudbay Minerals Inc. as a way to add a "buffer" area between the mine and Corona de Tucson. 

Navajo EPA wants to use controversial technology for uranium cleanup
State

Navajo EPA wants to use controversial technology for uranium cleanup

  • Arlyssa D. Becenti Arizona Republic
  • Updated May 11, 2026

The goal for decades has been to remove leftover uranium waste from the Old Church Rock Mine. But environmentalists, community members and critics have concerns and doubts when it comes the type of technology being used.

APTOPIX Climate Indonesia Mining

APTOPIX Climate Indonesia Mining

  • Claudia Rosel, Associated Press
  • Updated Apr 13, 2026

A scuba diver watches oceanic mantas at the Manta Ridge dive site March 7 in Raja Ampat, Indonesia.

APTOPIX Climate China Coal Capital

APTOPIX Climate China Coal Capital

  • Ng Han Guan, Associated Press
  • Updated Apr 15, 2026

Tourists visit the Yungang Grottoes  on March 13 in Datong, China.

Sponsored
Responsible development, shaped by Southern Arizona
Business

Responsible development, shaped by Southern Arizona

  • Pat Risner, Hermosa President, South32
  • Mar 9, 2026

Southern Arizona’s natural landscapes, wildlife, and outdoor recreation economy are part of what makes this region special. From Patagonia’s t…

Fly over a proposed copper mine in Pinal County
Local news

Fly over a proposed copper mine in Pinal County

  • Henry Brean, Arizona Daily Star
  • Updated Mar 7, 2026

Planned mining threatens San Pedro River, Aravaipa Canyon, conservationists say.

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