Her work often explores the healing and transformative qualities that come from a connection to the natural world. Her latest film In the Waves had its world premiere at Visions du Réel 2017 and was awarded Best Documentary, Best Edit (Atlantic International Film Festival), the Grand Jury Prize (New Hampshire International Film Festival), and Best Canadian Medium Length Film (Montréal International Documentary Film Festival). Mills has also worked as an editor, director, and DOP for award-winning productions with National Film Board of Canada, Grassfire Films, Metafilms, GreenGround Productions and Art & Essai.