MATERIAL WORLDThe Sunday Times bestseller and Radio 4 Book of the Week, an Economist, Financial Times, Times and New Statesman Book of the Year, shortlisted for the FT Business Book of the Year Award and the British Academy Book Prize, longlisted for the Wainwright Conservation Writing Prize. Sand, salt, iron, copper, oil and lithium. They built our world, and they will transform our future. They took us from the Dark Ages to the present day. They power our