• U.S. Trade Representative Jamieson Greer has defended President Trump's threat of tariffs on countries supporting Greenland as a legitimate geopolitical tool, amid escalating tensions that have jeopardized the EU-U.S. trade deal.
  • Trump announced on January 18, 2026, a 10% tariff effective February 1 on goods from European countries backing Greenland against U.S. pressure, prompting EU lawmakers to pause approval of the EU-U.S. trade deal.
  • The tariff threat risks disrupting transatlantic trade, valued at over $1 trillion annually, by targeting EU exports like steel and autos, potentially raising U.S. consumer prices and slowing European growth amid existing inflation pressures.

U.S. Trade Representative Jamieson Greer has publicly affirmed that President Trump's threat of tariffs on countries supporting Greenland is an appropriate use of tariffs, framing it as a geopolitical tool to protect U.S. interests. This stance comes as tensions escalate, with the EU-U.S. trade deal now on hold due to the tariff threats, according to sources familiar with the negotiations.

In a January 16 CNBC interview, Greer emphasized that tariffs serve to protect U.S. jobs and wages while advancing geopolitical aims, continuing a long-standing tradition of presidential trade leverage. This defense follows Trump's announcement on January 18, 2026, of a 10% tariff set to take effect on February 1, targeting goods from European nations that back Greenland against U.S. pressure. The move has prompted Manfred Weber, president of the European People's Party, to state on social media that the EU-U.S. trade deal is paused in response to these threats, highlighting the immediate diplomatic fallout.

Efforts to finalize the trade deal have hit a snag, with EU lawmakers signaling that without a resolution, the tariff implementation could force a broader trade disruption. The tariff threat specifically risks disrupting transatlantic trade, valued at over $1 trillion annually, by targeting key EU exports such as steel and autos. This could lead to higher consumer prices in the U.S. and slow European economic growth, exacerbating existing inflation pressures, according to analysts monitoring the situation.

In November 2025, Greer had warned Brussels that there would be no tariff exemptions for European steel exports, setting the stage for the current standoff. This aligns with broader U.S. trends of using tariffs to shield domestic manufacturing, a strategy that has garnered support from sectors like autos, where recent polls show 85% of auto workers voted for Trump. The geopolitical dimension is clear, as the tariff threat pressures Denmark, which oversees Greenland, and complicates NATO dynamics over Arctic resources, echoing Trump's longstanding interest in acquiring Greenland for its strategic minerals and military basing since 2019.

The EU is considering retaliatory measures, described by some insiders as "bazooka" responses, such as counter-tariffs, which could further strain U.S.-EU relations. Public reactions have been mixed, with EU parliamentary backlash decrying U.S. aggression, while Trump allies in the U.S. praise the move for its assertiveness. Attempts to reach out to EU trade officials for comment were unsuccessful, but sources indicate that negotiations are ongoing behind the scenes, though EU unity may prolong the standoff.

Looking ahead, if the tariffs take effect on February 1 as planned, they could escalate into a full-blown trade war, isolating the U.S. and reshaping Arctic geopolitics. However, experts predict that past tariff threats have often led to negotiated deals, suggesting a potential for compromise. In the meantime, market watchers are closely monitoring real-time developments, with some corrections noting that initial reports overstated the immediate economic impact, but the long-term implications remain significant for global trade stability.