Denmark Ready to Defend Greenland; Europe Considers Activating Article 42.7 Amid U.S. Threats

WASHINGTON/COPENHAGEN: Tensions over Greenland are escalating as Europe prepares to confront U.S. President Donald Trump’s aggressive posture toward the Arctic territory. NATO has stated that it is discussing “next steps” to ensure security in the Arctic, while European Union (EU) member states are considering invoking the mutual defense clause under Article 42.7 of the EU Treaty. The developments mark a potentially serious geopolitical standoff.

Diplomatic Showdown at the White House

On Wednesday, the U.S. Vice President, J.D. Vance, and Secretary of State Marco Rubio are scheduled to meet with the foreign ministers of Denmark and Greenland at the White House. European leaders are reportedly expected to deliver a firm message: “Greenland is not for sale and will remain under Danish sovereignty.” The talks come amid Trump’s repeated warnings that military force could be used to secure the territory, raising concerns in Europe about the stability of NATO.

NATO and EU Response

NATO has emphasized its commitment to maintaining security in the Arctic, while EU countries are reviewing the application of Article 42.7 of the Treaty on European Union (TEU). This provision obligates EU member states to provide all necessary assistance, including military support, if a member country is attacked. According to an EU official, the clause could be activated in response to any U.S. aggression against Greenland, potentially allowing European forces to intervene militarily.

What is Article 42.7?

Article 42.7 is a mutual defense clause within the TEU, establishing a legal commitment for EU countries to aid a member state under armed attack. Traditionally, neutral countries such as Ireland and Austria are exempt from the obligation. France remains the only EU member to have invoked Article 42.7, following the terrorist attacks in Paris on 17 November 2015.

Potential Implications

If activated, Article 42.7 would authorize Denmark to receive military assistance from EU countries, potentially including the deployment of troops to Greenland. However, some neutral countries retain exemptions from sending forces, making the outcome strategically complex. Reports indicate that Jeff Landry, the U.S. special envoy to Greenland appointed by Trump, has not yet consulted with Danish or Greenlandic officials regarding his role or U.S. intentions.

NATO’s Stance

When asked whether NATO would defend Greenland if the U.S. attempted a takeover, a spokesperson for the 32-member alliance avoided specifics, reiterating statements by Secretary-General Mark Rutte emphasizing collaboration and Arctic security. Rutte noted that “our priority is ensuring protection against threats from Russia, China, North Korea, or any other actors wishing us harm,” highlighting the delicate balancing act NATO faces.

The coming days could determine whether Greenland becomes a flashpoint in Arctic geopolitics, with Europe prepared to assert its defense commitments while the U.S. presses its claims.