Once You Know

Quand On Sait

2020 — 104 min / Colour



Once You Know is the intimate journey of director Emmanuel Cappellin across the abyss of a world at the edge of climate-induced collapse. His voyage into this uncharted territory is that of a whole generation turning to climate scientists, local democracy, grassroots initiatives, and mass rebellion in a desperate search for an exit.

Official Trailer

Director Biography

Emmanuel is an associate producer at Pulp Films where, over seven years, he has been tirelessly directing Once You Know, his first feature-length documentary for the big screen. After growing up in France and the US, studying environmental sciences (McGill University, Canada), and Producing & Directing (Berkeley Digital Film Institute, California), Emmanuel chose filmmaking to creatively explore the complex relationship between humans and planet Earth. His work began with early environmental activist and Oscar-winning film animation master Frédéric Back. He then co-edited To the Tar Sands (2007, DOXA and Calgary International Film Festivals) and went to China to direct Thoughts & Reflections (2010, commission).

Watch Film Online


Written and directed by Emmanuel Cappellin, in collaboration with Anne-Marie Sangla


Emmanuel Cappellin


Emmanuel Cappellin


Anne-Marie Sangla


Virgile Van Ginneken

Screenings & Awards

Transitions, FF, Australia, 2020

Doc Edge Festival, New Zealand, 2020

Hong Kong, IFF, China, 2020


Pulp Films
28 Faubourg du Temple
26340 Saillans, France
[email protected]