The Gobi desert copper deposit promises to become one of Rio Tinto’s most lucrative properties, but it has been subject to repeated challenges from politician.
A mix of political populism, higher commodity prices and the expectation electrification will spur demand for raw materials has led governments to change the rules for miners operating in their countries.
Cross-border concerns about mineral exploration and logging in British Columbia's Skagit River watershed may put a long-simmering campaign to close a hole in the middle of two provincial parks back on the front burner.