Critical minerals are vital for the global economy and include nickel, manganese and cobalt. Rare earths are a specific, highly useful category of critical minerals that are used to make magnets essential for the auto, electronic and defence industries, as well as in renewable energy. Securing reserves and production of rare earths has become a flashpoint in global diplomacy and trade. Rare earths are a group of 17 heavy metals that are abundant throughout the Earth’s crust. The United States Geological Survey estimated in 2024 there were 110m tonnes of deposits worldwide. That includes 44m in China – by far the ... (full story)