Estonia has launched a diplomatic push within the EU to tighten economic pressure on Moscow . Capitalizing on ongoing negotiations for the EU’s 21st sanctions package, Tallinn is targeting the raw materials feeding Russia’s aviation sector and the maritime services keeping its energy revenues afloat. Closing the alumina loophole Estonian Foreign Minister Margus Tsahkna announced on X that Tallinn has formally submitted a proposal to outlaw all EU exports of alumina to Russia. Alumina serves as