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Once You Know

Once You Know

2021·Movie·1h 45m

Documentary

6.7 / 10 (7 votes)

Today, like a ship entering the storm, the world faces climate change induced collapse. Once You Know, by director Emmanuel Cappellin, is a poetic and poignant exploration of how four of the world’s leading climate scientists and energy experts find truth, chaos, and hope in their work.

Directed by
Emmanuel Cappellin
Original language
Français
Released
22 September 2021

Where to Watch

Availability in the US · Subtitle and audio track data

Prime Video
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Subtitle and audio languages not checked yet.

Last verified 2 Nov 2026

Cast

  • Jean-Marc Jancovici

    Jean-Marc Jancovici

  • Pablo Servigne

    Pablo Servigne

  • Richard Heinberg

    Richard Heinberg

  • Saleemul Huq

    Saleemul Huq

  • Susanne Moser

    Susanne Moser