(FILES) (FILES) Kevin Warsh, nominee for US Federal Reserve Chair, testifies during a Senate Banking Committee hearing on his nomination on Capitol Hill in Washington, DC, on April 21, 2026. The US Senate on May 13 confirmed Kevin Warsh as the new Federal Reserve Chairman to lead a central bank whose independence is under attack and with inflation at a three-year high. (Photo by Mandel NGAN / AFP via Getty Images)

Michael Meding, managing director of McEwen Copper and Los Azules Copper Mining Project, poses for a photo during an interview with AFP in Buenos Aires on March 17, 2026. "Mining will spread across the entire mountain range, generating hundreds of thousands of jobs," Argentine President Javier Milei predicted in March. Weeks later, he enacted a reform of the glacier protection law that will allow provinces to open up new areas to mining. Environmental groups challenged the measure in court, arguing that it threatens access to water. (Photo by Luis ROBAYO / AFP via Getty Images)

This view shows snow-covered peaks of the Andes mountain range with a road built for mineral exploration in Calingasta, San Juan province, Argentina, on April 22, 2026. "Mining will spread across the entire mountain range, generating hundreds of thousands of jobs," Argentine President Javier Milei predicted in March. Weeks later, he enacted a reform of the glacier protection law that will allow provinces to open up new areas to mining. Environmental groups challenged the measure in court, arguing that it threatens access to water. (Photo by Luis ROBAYO / AFP via Getty Images)

A drill core is seen in Los Azules Copper Mining Project in the Andes mountain range in Calingasta, San Juan province, Argentina, on April 22, 2026. "Mining will spread across the entire mountain range, generating hundreds of thousands of jobs," Argentine President Javier Milei predicted in March. Weeks later, he enacted a reform of the glacier protection law that will allow provinces to open up new areas to mining. Environmental groups challenged the measure in court, arguing that it threatens access to water. (Photo by Luis ROBAYO / AFP via Getty Images)

Workers extract a drill core at a drilling station in Los Azules Copper Mining Project in the Andes mountain range in Calingasta, San Juan province, Argentina, on April 21, 2026. "Mining will spread across the entire mountain range, generating hundreds of thousands of jobs," Argentine President Javier Milei predicted in March. Weeks later, he enacted a reform of the glacier protection law that will allow provinces to open up new areas to mining. Environmental groups challenged the measure in court, arguing that it threatens access to water. (Photo by Luis ROBAYO / AFP via Getty Images)

Workers in Los Azules Copper Mining Project in the Andes mountain range in Calingasta, San Juan province, Argentina, on April 22, 2026. "Mining will spread across the entire mountain range, generating hundreds of thousands of jobs," Argentine President Javier Milei predicted in March. Weeks later, he enacted a reform of the glacier protection law that will allow provinces to open up new areas to mining. Environmental groups challenged the measure in court, arguing that it threatens access to water. (Photo by Luis ROBAYO / AFP via Getty Images)

Workers extract a drill core at a drilling station in Los Azules Copper Mining Project in the Andes mountain range in Calingasta, San Juan province, Argentina, on April 21, 2026. "Mining will spread across the entire mountain range, generating hundreds of thousands of jobs," Argentine President Javier Milei predicted in March. Weeks later, he enacted a reform of the glacier protection law that will allow provinces to open up new areas to mining. Environmental groups challenged the measure in court, arguing that it threatens access to water. (Photo by Luis ROBAYO / AFP via Getty Images)

This aerial view shows Los Azules Copper Mining Project in the Andes mountain range in Calingasta, San Juan province, Argentina, on April 21, 2026. "Mining will spread across the entire mountain range, generating hundreds of thousands of jobs," Argentine President Javier Milei predicted in March. Weeks later, he enacted a reform of the glacier protection law that will allow provinces to open up new areas to mining. Environmental groups challenged the measure in court, arguing that it threatens access to water. (Photo by Luis ROBAYO / AFP via Getty Images)