TIME spoke to legal experts about whether Trump could legally pull the U.S. out of NATO and the wider implications.

AMERICA’S HUNGER for Greenland is setting off an explosive row within NATO.  President Donald Trump, infuriated by European allies’ resistance to his effort to annex the autonomous Danish territory, said on January 17th that he would impose 10% tariffs on imports from eight European countries that had sent troops there two days earlier.

French President Emmanuel Macron announced that soliders are in Greenland to take part in a joint military exercise as Trump continues his push to take over the island.

U.S. NATO ambassador Matthew Whitaker defends American focus on Greenland amid European backlash, calling Arctic security crucial for continental defense.

The poll of NATO member states showed median approval of China’s leadership rising and that of Washington falling in 2025.

In a stunning escalation that threatens the very foundation of the transatlantic alliance, President Donald Trump has levelled an extraordinary economic ultimatum at eight NATO allies: accept American acquisition of Greenland or face punishing tariffs beginning 1 February.

Trump told reporters that Greenland's only defense is 'two dog sleds,' as the Arctic island government warns it 'cannot accept' a US takeover.

Grynkewich stated at Sweden’s National Security Conference that Russia and China are escalating joint patrols in the Arctic, extending their presence from the Russian northern coast to north of Alaska and near Canada.

The footage circulated as U.S. President Donald Trump's administration repeatedly expressed its desire to acquire Greenland (archived, archived), an autonomous territory of Denmark, most of which lies in the Arctic Circle. As of this writing, the Trump administration had not ruled out using military force to take the Danish territory.

Britain is discussing with NATO allies how to enhance Arctic security against Russia and China. Transport Secretary Heidi Alexander said Sunday that these talks are routine and not a response to U.S.

NATO member countries are discussing and working on the next steps for how to collectively keep the Arctic safe, alliance chief Mark Rutte said on Monday.