(FILES) Copper smelting at El Teniente mine, the world's largest underground copper mine in Machali, near Rancagua, Chile on April 2, 2025. Even though the strong global demand for copper -essential to the energy transition and to the data centers that power artificial intelligence- is helping to keep prices high, Chile, which accounts for nearly a quarter of global production, is struggling to keep up after recording last August its lowest monthly production level in 15 years. (Photo by RAUL BRAVO / AFP via Getty Images)