Cyril Dion is a visionary director and environmental advocate whose work resonates deeply within the physical media collecting community. His most notable film, *Demain* (2015), co-directed with Mélanie Laurent, is a powerful documentary that explores sustainable solutions to the impending ecological crisis. Winning the César for Best Documentary and achieving remarkable box office success in France, *Demain* is often sought after by collectors not only for its critical acclaim but also for its impactful message and stunning cinematography, making it a staple in any environmentally-conscious collection. Dion's exploration of societal change continues with his follow-up documentary, *Après Demain* (2018), which examines the real-world impact of *Demain*. Collectors appreciate these titles for their dual significance—both as artistic achievements and as catalysts for discussions around climate action. Dion's films are not just entertainment; they are important educational tools and reflections of contemporary challenges, ensuring their place in the collections of those who value meaningful cinema.