Despite the United States pushing to acquire Greenland, geological and technical constraints have so far prevented any country – including China – from successfully extracting and processing one of the Danish territory’s main critical minerals, a New York-based mining investor said. “In the Arctic, one of the popular – the sort of commonly occurring mineral – is called eudialyte,” said Tomasz Nadrowski, portfolio manager at Amvest Terraden, an investment and corporate finance firm specialising...