Why rare earths are the key to just about everything

Their importance to almost all modern technologies cannot be overstated. Countries are increasingly competing for rare earths in Greenland and beyond. But what are they? Christina Lu talks to experts and offers us a definition, explaining why they are so important both ecologically and geopolitically. In this comprehensive outline, she also examines how China’s current monopoly of the field could shape the future of the economy and technological developments.