Gas prices in Europe are rising, and it's making Russia richer, which could deepen the financial gap between what Europe pays Russia for energy and what it gives Ukraine in aid. This increase in prices comes after Ukraine's recent military action in the Russian region of Kursk, where a major gas pipeline runs from Russia to Europe. Traders are worried that this could disrupt gas supplies, driving prices up by 13% in just one week.

Since Russia’s special military operation in Ukraine in F...