Why the US wants Greenland and why Europe is worried?

The icy, sparsely populated island of Greenland has once again become the centre of an unusually heated geopolitical debate, after renewed signals from Washington suggested that the United States is actively weighing options to bring the Arctic territory under its influence. While the idea may sound improbable, Greenland’s strategic location, mineral wealth and growing importance in Arctic security explain why it continues to loom large in US strategic thinking particularly under President Donald Trump, who has returned to office with an aggressive foreign policy agenda.

Greenland is not a new obsession. For more than a century, American policymakers have quietly viewed the island as a strategic asset. What has changed now is the tone. Statements from the White House suggesting that “all options remain on the table”, including military ones, have unsettled Europe and sharpened questions over why this vast, frozen landmass matters so much to Washington.

A long history behind Washington’s interest

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US interest in Greenland predates modern geopolitics. After the United States purchased Alaska from Russia in 1867, American expansionists began exploring the idea of extending influence across the Arctic. In 1946, the Truman administration formally offered Denmark 100 million dollars in gold to buy Greenland.

That historical context matters today. During his first term, Trump revived the idea publicly in 2019, describing Greenland as a “large real estate deal”. Danish and Greenlandic leaders rejected the proposal outright. After returning to office following the 2024 US presidential election, Trump has again pushed the issue - this time framing it as a matter of national security rather than commerce.

Why Greenland matters strategically

Greenland’s importance goes well beyond its icy landscape. Sitting at the crossroads of North America, Europe and Russia, it occupies a rare strategic sweet spot. In this changing map of the world, Greenland offers Washington a vantage point to closely track Russian movements and project power across the Arctic.

US policymakers increasingly see this geography as vital to future defence planning, especially as rivalry with Russia and China deepens in the polar regions.

The minerals beneath the ice

Beyond location, Greenland’s underground resources are a key driver of American interest. Geological surveys estimate that the island holds around 36 billion tonnes of rare earth-bearing material.

The island may also contain hydrocarbons equivalent to more than 28 billion barrels of oil, though no industrial drilling is currently underway due to environmental restrictions.

Trump’s renewed focus has triggered concern across Europe. Denmark has reiterated that Greenland is not for sale and remains part of the Kingdom of Denmark, which is a NATO member. Nordic countries have jointly underlined their commitment to Arctic stability and collective defence.

European leaders fear that any unilateral American move could destabilise the Arctic balance and strain NATO unity. Germany and other allies have publicly cautioned against attempts to redraw territorial lines in the region.

NATO tensions resurface

The Greenland debate has also reignited Trump’s long-running criticism of North Atlantic Treaty Organisation. The US President has claimed that European allies rely too heavily on Washington for defence and has again pressed NATO members to raise military spending.

This rhetoric has added another layer of tension to an already sensitive issue, turning Greenland into a flashpoint not just between Washington and Copenhagen, but within the wider transatlantic alliance.

Crucially, Greenland’s leadership has made it clear that decisions about the island’s future rest with its people.

A frozen island with global consequences

Taken together, Greenland’s strategic location, mineral potential and growing role in Arctic geopolitics explain why it continues to draw American attention.