How rare are Greenland’s rare earth elements?

President Trump has his sights set on Greenland. If he succeeds, what mineral wealth will he find there? Adrian Finch, Professor of Geology at St Andrews University has been visiting Greenland for more than 3 decades and explains what so called ‘rare earth elements’ are found in Greenland and why. Professor Danny Altmann talks to Tom Whipple about a new project to understand the genetic and…