The suggestion comes at a sensitive moment, with U.S. President Donald Trump intensifying rhetoric over Greenland’s strategic importance and openly questioning Denmark’s control over the territory. His remarks have unsettled European allies and renewed debate over how NATO should respond to mounting pressure in the Arctic.

Poulsen said Denmark had formally raised the idea of a NATO presence during talks with NATO Secretary General Mark Rutte and Greenland’s Foreign Minister Vivian Motzfeldt. He added that the alliance leadership had taken note of the proposal and that work could now begin on shaping a practical framework for such a mission.

According to Poulsen, the discussions were fully aligned with the position of the Greenlandic government, which has increasingly emphasised the need for stronger international security cooperation while maintaining respect for Greenland’s autonomy and international law.

The Arctic has become a focal point of global strategic competition due to melting ice, which is opening new shipping routes and access to untapped natural resources. At the same time, military interest in the region has intensified, particularly among NATO members, Russia and China.

Greenland’s location between North America and Europe gives it outsized strategic importance. The island already hosts U.S. military infrastructure, including a key air base used for missile warning and space surveillance, but recent tensions have raised questions about whether existing arrangements are sufficient to deter new security risks.

Trump’s renewed push to assert U.S. control over Greenland has alarmed European governments and strained transatlantic relations. Denmark has firmly rejected any suggestion of transferring sovereignty, stressing that Greenland’s future must be decided by its people and within the framework of international law.

European officials fear that escalating rhetoric could weaken NATO unity at a time when the alliance is already under strain from the war in Ukraine and broader disagreements over defence spending and trade. Some EU leaders have warned that continued pressure on Denmark could trigger political or economic countermeasures.

Against this backdrop, a NATO mission in the Arctic is being framed as a way to strengthen collective security while avoiding unilateral actions. Supporters argue that a formal alliance presence could enhance surveillance, improve coordination among member states and reassure Arctic nations without undermining sovereignty.

Poulsen said any NATO role would need to be carefully designed, respecting Greenland’s status while addressing shared security concerns. He suggested that the mission could focus on monitoring, joint exercises and crisis preparedness rather than permanent large-scale troop deployments.

Greenlandic officials have signalled cautious openness to greater NATO engagement, particularly as climate change accelerates activity in Arctic waters. Increased shipping traffic and interest from non-Arctic powers have heightened concerns about environmental risks, search and rescue capacity and regional stability.

NATO Secretary General Mark Rutte has not publicly detailed the alliance’s response, but officials say the issue is likely to remain on the agenda in coming months. Any decision would require consensus among member states, many of which are reassessing their Arctic strategies.

Analysts note that a NATO mission could also serve as a political signal, reinforcing the principle that Arctic security should be managed multilaterally rather than through pressure or coercion. However, they caution that the idea could face resistance from members wary of provoking further tensions with Washington or Moscow.

For Denmark, the proposal reflects a balancing act between strengthening deterrence and preserving alliance unity. By working through NATO, Copenhagen hopes to anchor Arctic security firmly within existing institutions rather than allowing it to become a source of unilateral rivalry.

As discussions continue, the future of Greenland and the Arctic is likely to remain a flashpoint in global politics. Whether a NATO mission materialises or not, the debate underscores how rapidly the once-remote region has moved to the centre of international security planning.

The visit aims to reassure Denmark and Greenland of strong congressional backing for existing alliances and respect for sovereignty.

The delegation is led by Democratic Senator Chris Coons and includes members of both major US political parties.

They are scheduled to meet Danish Prime Minister Mette Frederiksen and Greenland’s leader Jens Frederik Nielsen.

Lawmakers said the trip is intended to reinforce trust at a time of rising global instability.

They stressed that cooperation with allies is essential rather than actions that risk weakening long standing partnerships.

President Trump has argued that Greenland is vital for US national security due to its strategic Arctic location and mineral resources.

He has not ruled out the use of force which has raised serious concern among European allies.

Denmark recently requested limited military support from European partners as a precautionary measure.

Small numbers of troops were deployed to underline the importance of collective security and deterrence.

Senator Coons said the delegation wants to send a clear message that Congress supports NATO and the US Danish relationship.

He emphasized that alliances are strengthened through dialogue and mutual respect.

Democratic Senator Jeanne Shaheen warned that talk of seizing Greenland undermines NATO unity.

She said such rhetoric benefits rival powers like Russia and China by creating divisions among allies.

Shaheen acknowledged that Denmark and Greenland have genuine concerns following recent statements.

However she expressed confidence that institutional checks and bipartisan consensus would prevent extreme actions.

The visiting group also includes Republican Senators Thom Tillis and Lisa Murkowski.

Their participation highlights growing bipartisan resistance within Washington to the idea of acquiring Greenland.

During the visit the Greenlandic flag was raised at the Danish parliament in Copenhagen.

The gesture symbolized solidarity and recognition of Greenland’s political status.

The congressional trip follows high level talks in Washington earlier this week.

Danish and Greenlandic foreign ministers met senior US officials including the secretary of state and vice president.

Danish officials later said the meeting did not shift the administration’s stance on Greenland.

This prompted renewed efforts to engage directly with US lawmakers to build congressional support.

Denmark’s foreign minister said his country is open to deeper cooperation on Arctic security.

He stressed that any cooperation must respect territorial integrity international law and the UN Charter.

Trump first raised the idea of acquiring Greenland during his first presidential term in 2019.

The proposal was widely criticized at the time and did not progress beyond public remarks.

Opposition has since grown within both parties in Congress.

Several lawmakers have said they would support legislation to limit presidential authority in such matters.

The Greenland issue has now become part of a broader debate over war powers in the United States.

The US Constitution grants Congress authority over military action not the president alone.

European leaders are closely watching how Washington handles the situation.

They fear any escalation could damage transatlantic unity at a critical geopolitical moment.

For Denmark and Greenland the priority remains de escalation through diplomacy.

Officials continue to stress cooperation while firmly rejecting any challenge to sovereignty.

The Copenhagen meetings are seen as a step toward restoring confidence.

They reflect an effort by lawmakers to distance congressional policy from controversial executive rhetoric.

As Arctic competition intensifies Greenland’s strategic importance is expected to grow.

How the dispute is managed may shape future US European relations in the region.

These conversations highlight the importance of shared responsibility among allies in ensuring safety, preparedness, and coordination in strategically significant regions.

Greenland, due to its geographic location and proximity to major Arctic routes, has increasingly become a focal point in wider discussions about regional security and environmental monitoring.

European nations view collaborative efforts as a constructive way to promote transparency, trust, and long-term stability across the Arctic landscape.

According to reports, Germany is considering proposals that would encourage a coordinated NATO approach, emphasizing cooperation rather than unilateral action.

Such initiatives are seen as mechanisms to strengthen existing alliances and reinforce the role of multilateral institutions in addressing shared challenges.

British officials are understood to be supportive of dialogue that prioritizes calm engagement and collective planning among allies.

By working together, European countries aim to demonstrate readiness to contribute to regional security while maintaining diplomatic balance.

Military cooperation in the Arctic is not new, as allied nations have long conducted joint exercises focused on search and rescue, environmental response, and cold-weather operations.

These activities are generally framed as precautionary and defensive, designed to improve coordination and interoperability rather than escalate tensions.

Analysts note that the Arctic is undergoing rapid change due to climate shifts, opening new sea routes and increasing commercial interest.

As accessibility grows, so does the need for clear frameworks that manage activity responsibly and prevent misunderstandings among nations operating in the region.

European discussions reportedly emphasize that NATO already provides a platform for cooperation, information sharing, and confidence-building measures.

Strengthening existing structures is viewed as a practical approach that aligns with international norms and long-standing alliances.

Greenland itself remains an important partner in these conversations, with a focus on respecting local interests and ensuring that any security-related activity aligns with broader regional priorities.

Attention is also given to environmental protection, recognizing the Arctic’s fragile ecosystem and global significance.

Observers suggest that enhanced cooperation could include improved surveillance, better communication systems, and joint training initiatives.

These measures are often presented as supportive tools that contribute to safety and preparedness rather than signals of confrontation.

From a broader perspective, European engagement in the Arctic reflects a desire to remain actively involved in shaping the region’s future.

By promoting multilateral dialogue, countries aim to balance security considerations with economic development and environmental stewardship.

Diplomatic sources indicate that discussions remain exploratory, with an emphasis on consultation and consensus-building among allies.
Any future steps would likely be taken gradually, ensuring alignment with international law and collective decision-making processes.

As global attention on the Arctic continues to grow, cooperation among allied nations is increasingly seen as essential.

Through dialogue and partnership, European countries seek to contribute positively to a region that is becoming ever more important on the world stage.