Major miners need to increase spending to secure fresh copper supply, analysts say, amid worries that availability of the red metal will slide just as demand surges.
Illegal gold and diamond mining in Brazil’s Amazon rain forest is threatening South America’s largest group of native people who still live in relative isolation.
Heliogen's AI-powered technology will be deployed at Rio's borates mine, using heat from the sun to generate and store carbon-free energy to power industrial processes.