Hello, this is the Global News podcast from the BBC World Service. I'm Valerie Sanderson with your weekly bonus from the global story, which brings you a single story with depth and insight from the BBC's best journalists. There's a new episode every weekday. Just search for the global story wherever you get your pods. And be sure to subscribe so you don't miss a single

episode. Here's my colleague Katya Adler. During Donald Trump's first time in office, when he said

he wanted to acquire Greenland, many dismissed this as hyperbole, a nonsense even. But now days away from taking office

a second time, he seems on an expansionist role, taunting Canada. It should become the USA's

51st state, that he wants America to reacquire the Panama Canal and insisting that Greenland must become a U.S. property

for strategic security, he said.

People really don't even know if Denmark has any legal right to it.

But if they do, they should give it up because we need it for national security.

That's for the free world.

I'm talking about protecting the free world.

Greenland, the biggest island in the world, is an autonomous Danish territory.

Rich in oil, gas reserves and other natural resources like zinc, gold and copper.

It sits between the U.S. and Russia and is already home to a U.S. military base.

Its geostrategic significance is very clear.

It's also hugely important in terms of climate conversations,

and its melting ice is also opening up new profitable maritime trade routes,

a development catching the attention of countries further afield like China.

With all these competing interests, could we be looking at a brewing cold war in the Arctic

or, as some are calling it, an ice war?

It made headlines all over the world this week.

Donald Trump refused to rule out the use of military force or economic coercion against NATO-Alli, Denmark, to rest control of Greenland.

And as he was doing that, his son popped over to the territory he claimed for an innocent tourist visit.

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