The prospect of conflict between Russia and NATO countries over Ukraine has raised fears of an energy crisis in Europe. Russia provides nearly half of Europe’s natural gas, and some leaders worry that Moscow could tighten the flow if hostilities break out. To weaken Russia’s leverage, the Biden administration is working to secure additional gas shipments to Europe from other sources. Global energy policy expert Amy Myers Jaffe explains how much gas is available and what’s involved in rerouting it.
