Central banks’ gold rush hits record in Q2 as geopolitical risks persist

Central banks bought a record 289 tonnes of gold in the second quarter, a 74 per cent annual increase, as geopolitical uncertainty strengthened the case for bullion as a reserve asset, the World Gold Council said. That was also a more than five-fold increase from the first quarter’s revised total of 57 tonnes, the London-based council added. The National Bank of Poland …

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Demand for lithium is surging: here’s how to make mining more sustainable

Researchers are looking for ways to extract the metal from underground reservoirs that use less water. As more people seek out electric vehicles and batteries to store renewable energy, demand for lithium, the metal at the core of most rechargeable batteries, is intensifying. But mining lithium has substantial impacts on the environment. A wave of innovative technologies could make its extraction …

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