<h1>Trump's planned Greenland tariffs prompt EU to threaten anti-coercion measures and retaliatory trade responses and NATO strain.</h1> President Trump's declaration of a 10% import tax on goods from eight European countries over their support for Denmark regarding Greenland has prompted EU warnings of proportionate retaliation, including retaliatory tariffs, suspension of trade arrangements, or invocation of the EU anti-coercion instrument. Denmark and Greenland insisted on respect for territorial integrity and international law, while allies cautioned that the dispute strains NATO relations and could trigger coordinated economic and security responses.