The senator's comments come after President Donald Trump said the U.S. would "do something on Greenland, whether they like it or not."

The president's advisers would tell him the move would spell real danger for American interests, the former UK ambassador to the US believes.

A group of European countries, led by Britain and Germany, is discussing plans to boost their military presence in Greenland to show U.S. President Donald Trump that the continent is serious about Arctic security,

Trump allies have cited the island's continued role in missile defense infrastructure, accusing Denmark of leaving it vulnerable to potential Russian and Chinese influence.

In addition to political resistance, Greenland’s mineral riches and strategic position would come at a steep cost for the U.S.

Nordic diplomats rejected US President Donald Trump’s claims of Russian and Chinese vessels operating near Greenland, which he has invoked to justify his desire to seize the vast Arctic island from Denmark.

Greenland’s harsh environment, lack of key infrastructure and difficult geology have prevented anyone from building a mine to extract the sought-after rare earth elements that many high-tech products require.

Nordic diplomats rejected U.S. President Donald Trump's claims of Russian and Chinese vessels operating near Greenland, the Financial Times reported on Sunday.

Few locals in Nuuk believe U.S. troops are arriving imminently, but there is growing unease that President Trump’s desire to buy Greenland or use military force might actually be serious.