Following Russia’s invasion of Ukraine in February, the United States, the European Union, as well as other countries imposed punishing economic sanctions in retaliation for its attack. The United States and the European Union (EU), which combined account for about half the global nuclear power capacity, could go one step further by cutting imports of Russian uranium and uranium enrichment services. This is a shift that has already started spontaneously. Here’s how a complete transition away from Russian nuclear services could happen.