Europe’s green transition may reduce dependence on fossil fuels, but it could also create new vulnerabilities through reliance on critical minerals. These new geopolitical dependencies were the focus of the 2026 SITE Energy Talk. In the new policy brief, SITE researchers Chloé Le Coq, Elena Paltseva, and Jesper Roine explain why control over mineral supply chains is becoming a major geopolitical issue and summarise the main takeaways from this event.