Low-carbon technology has a Russia problem, too. And it’s going to get bigger. Higher prices, supply chain disruptions, and the war in Ukraine has Europe’s clean tech branch scrambling for non-Russian suppliers of key raw materials, such as nickel, palladium, lithium, platinum, cobalt, and neon-gas, as well as aluminium and copper. Some countries, such as the UK, have already begun to sanction them – a move the entire EU could take, if it chose to. But just about the only alternative markets that can cover rising European demand for exactly these raw materials is other authoritarian regimes. Paul Hockenos reviews.