Aerial view of buildings along the coast in Nuuk, Greenland

What Denmark and Greenland are saying

Denmark and Greenland say a planned agreement with the United States will not compromise Greenland's sovereignty, after President Donald Trump described the deal as giving Washington permanent control over the Arctic island's security.

Reuters reported that the United States, Denmark and Greenland reached an agreement for a significant US military presence on the island. The deal is expected to be signed during the UN General Assembly, but its most important details have not been made public.

That gap between the headline and the terms is why the agreement is attracting so much attention.

The central issue: security without control

Denmark's foreign minister said the proposed agreement should strengthen security in the Arctic and North Atlantic while respecting the Danish kingdom's red lines. Greenland's government has also said the deal recognises its sovereignty, territorial integrity and right to self-determination.

Trump said the arrangement would give the United States the ability to do what is necessary to secure Greenland and prevent adversaries from establishing bases, military presences or sensitive investments there without US approval.

Those statements point to a shared security objective, but they leave open practical questions. How large would the US presence be? What authority would Washington have over foreign investment or resources? And what role would Greenland's own government play in decisions that affect daily life on the island?

Why Greenland matters globally

Greenland sits between North America and Europe in a strategically important Arctic region. Its location, potential mineral resources and changing access routes have made it central to conversations about NATO, China, Russia and long-term climate change.

The issue is also political. Greenland is self-governing within the Kingdom of Denmark, and many residents are sensitive to any arrangement that could weaken their influence over the island's future.

Reuters spoke to residents in Nuuk who voiced scepticism about closer US ties. Their concern is not only military policy; it is whether economic and political power might shift without clear public accountability.

What happens next

The planned signing at the UN General Assembly should provide the next opportunity for officials to explain the agreement. Until the terms are published, claims about permanent control or guaranteed protection should be treated carefully.

The broad direction is clear: the US, Denmark and Greenland want closer Arctic security cooperation. The unresolved question is how that cooperation can expand while preserving the sovereignty that Denmark and Greenland say is non-negotiable.

Primary source: Reuters