Washington | A multibillion-dollar underground copper mine proposed by Rio Tinto and BHP in the US state of Arizona has received environmental approval from the US Department of Agriculture, marking an important milestone for the joint venture.
The mining giants’ Resolution Copper has been in limbo for years after an earlier clearance granted in 2021 at the tail end of the first Trump term was rescinded by the Biden administration.
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Jessica Gardner is The Australian Financial Review’s United States correspondent. She was previously deputy editor - news. Connect with Jessica on Twitter. Email Jessica at jgardner@afr.com
