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Once You Know

Once You Know (2021)

Documentary 105mins (PG)
6.8 / 10 IMDb 6.9 / 10

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Once You Know

2021 Documentary 105mins PG 6.8 / 10 IMDb 6.9 / 10

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.

Once You Know: Cast & Crews

Directors
Emmanuel Cappellin
Top Cast
Jean-Marc Jancovici, Pablo Servigne, Richard Heinberg, Saleemul Huq, Susanne Moser

What Our Critics Think

Independent reviews from the Compare TV editorial team.

Review Team
4/5
4/5

Once You Know, directed by Emmanuel Cappellin, is a compelling documentary that tackles the urgent issue of climate change through an intimate lens. The film follows four leading climate scientists, each sharing their insights and experiences. What sets this documentary apart is its ability to human ... Show more >>

Editor Team
3.5/5
3.5/5

Once You Know is an engaging documentary that takes a hard look at the climate crisis through the voices of experts who are on the front lines. While it offers a wealth of information, the pacing can feel uneven at times, which may challenge viewers who are not already invested in the topic. The fil ... Show more >>

How Viewers Describe This Film

Common themes and sentiments

thought-provoking urgent emotional enlightening overwhelming inspiring serious poignant insightful alarming reflective hopeful

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Got a question about Once You Know?

Yes, Once You Know is worth watching for anyone interested in the pressing issues of climate change. The film offers a compelling narrative through the insights of leading scientists and energy experts, making complex topics accessible and emotionally resonant.

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