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.

BINGHAM CANYON MINE, Utah — Aaron Clement drives one of the massive trucks at the world's largest open pit copper mine. "It's like moving a house," he jokes. Clement, who works at Rio Tinto ...

SALT LAKE CITY (AP) – Kennecott Utah Copper Corp. has laid off 15 employees and eliminated other jobs because of a landslide that damaged an ore pit west of Salt Lake City. Another 25 workers were ...

Months after picketers targeted Kennecott Copper's on-site coal power plant the company has made a proposal to convert partially to much-cleaner burning natural gas, a specific... Months after ...

Public comment will be taken today on Kennecott Utah Copper's proposed expansion plans that environmentalists say will allow the company to pollute air too much. Environmentalists... Public comment ...