A polluted tailings pond at the Kennecott Utah mine has sunk 20 feet or more, raising concerns that it has seeped contamination into the neighboring Great Salt Lake. But the state regulator charged ...

SALT LAKE CITY, November 13, 2025--(BUSINESS WIRE)--Rio Tinto’s Kennecott operation has progressed its decarbonisation objectives by signing a 15-year virtual power purchase agreement (VPPA) with ...

SALT LAKE CITY — With a goal of continuing decarbonization, Rio Tinto Kennecott on Thursday announced it signed a 15-year virtual power purchase agreement with TerraGen for renewable energy from a ...

SOUTH JORDAN, Utah — The Salt Lake County Sheriff's Office has arrested four people in connection with an unusual theft of copper from Rio Tinto Kennecott's mining operations. The scale and value of ...

SALT LAKE CITY, Utah--(BUSINESS WIRE)--Rio Tinto has approved construction of a new 25-megawatt solar plant at its Kennecott copper operation in Utah, bringing the mine’s total solar capacity to 30MW.