Trump says the US 'needs' Greenland for Arctic security. Here's why

Location, location, location: Greenland’s key position above the Arctic Circle make the world’s largest island a key part of security strategy in the High North. But for whom?

Increasing international tensions, global warming and the changing world economy have put Greenland at the heart of the debate over global trade and security, and U.S. President Donald Trump wants to make sure his country controls this mineral-rich country that guards the Arctic and North Atlantic approaches to North America.

Greenland is a self-governing territory of Denmark, a longtime U.S. ally that has rejected Trump’s overtures. Greenland’s own government also opposes U.S. designs on the island, saying the people of Greenland will decide their own future.

The island, 80% of which lies above the Arctic Circle, is home to about 56,000 mostly Inuit people who until now have been largely ignored by the rest of the world.

Here’s why Greenland is strategically important to Arctic security:

Greenland’s Arctic location is key

Greenland sits off the northeastern coast of Canada, with more than two-thirds of its territory lying within the Arctic Circle. That has made it crucial to the defense of North America since World War II, when the U.S. occupied Greenland to ensure it didn’t fall into the hands of Nazi Germany and to protect crucial North Atlantic shipping lanes.

Following the Cold War, the Arctic was largely an area of international cooperation. But climate change is thinning the Arctic ice, promising to create a northwest passage for international trade and reigniting competition with Russia, China and other countries over access to the region’s mineral resources.

Rare earth minerals

Greenland is also a rich source of the so-called rare earth minerals that are a key component of mobile phones, computers, batteries and other hi-tech gadgets that are expected to power the world’s economy in the coming decades.

That has attracted the interest of the U.S. and other Western powers as they try to ease China’s dominance of the market for these critical minerals.

Development of Greenland’s mineral resources is challenging because of the island’s harsh climate, while strict environmental controls have proved an additional hurdle for potential investors.

U.S. military presence in Greenland

The U.S. Department of Defense operates the remote Pituffik Space Base in northwestern Greenland, which was built after the U.S. and Denmark signed the Defense of Greenland Treaty in 1951. It supports missile warning, missile defense and space surveillance operations for the U.S. and NATO.

Greenland also guards part of what is known as the GIUK (Greenland, Iceland, United Kingdom) Gap, where NATO monitors Russian naval movements in the North Atlantic.

Danish armed forces in Greenland

Denmark is moving to strengthen its military presence around Greenland and in the wider North Atlantic. Last year, the government announced a roughly 14.6 billion-kroner ($2.3 billion) agreement with parties including the governments of Greenland and the Faroe Islands, another self-governing territory of Denmark, to “improve capabilities for surveillance and maintaining sovereignty in the region.”

The plan includes three new Arctic naval vessels, two additional long-range surveillance drones and satellite capacity.

Denmark’s Joint Arctic Command is headquartered in Greenland’s capital, Nuuk, and tasked with the “surveillance, assertion of sovereignty and military defense of Greenland and the Faroe Islands,” according to its website. It has smaller satellite stations across the island.

The Sirius Dog Sled Patrol, an elite Danish naval unit that conducts long-range reconnaissance and enforces Danish sovereignty in the Arctic wilderness, is also stationed in Greenland.

Security threats to the Arctic

In 2018, China declared itself a “near-Arctic state” in an effort to gain more influence in the region. China has also announced plans to build a “Polar Silk Road” as part of its global Belt and Road Initiative, which has created economic links with countries around the world.

Then-U.S. Secretary of State Mike Pompeo rejected China’s move, saying: “Do we want the Arctic Ocean to transform into a new South China Sea, fraught with militarization and competing territorial claims?”

Meanwhile, Russian President Vladimir Putin has said Russia is worried about NATO’s activities in the Arctic and will respond by strengthening its military capability in the polar region. European leaders’ concerns were heightened following Russia’s full-scale invasion of Ukraine in 2022.

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Stefanie Dazio in Berlin contributed to this report.