On Minnesota’s Iron Range, Trump’s Tariffs Could Be Boom or Bust

A region near the Canadian border, whose mines provide most of the new ore used in producing domestic steel — and cars — has a lot at stake as trade wars intensify.

Greenland’s Minerals: The Harsh Reality Behind the Glittering Promise

There is excitement about the potentially lucrative resources scattered around the island, especially the rare earths. But extreme weather, fired-up environmentalists and other factors have tempered hopes of a bonanza.