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Losing Blue

Perdre le bleu
Leanne Allison
2023 | 15min 34s
Original English version

Awards and Festivals

  • Best Canadian Short Film WinnerPlanet in Focus International Environmental Film Festival (2023)

  • Official SelectionCalgary International Film Festival (2023)

  • Official SelectionBanff Centre Mountain Film and Book Festival (2023)

One and Two Liners

Science Backgrounder

Science Backgrounder - Text only


Promotional Clip


Drone shot by Alex Taylor - Glacier melt and rock flour.

Drone shot Alex Taylor - Glacier crevasses

Drone shot Alex Taylor - Glacier creek delta bringing rock flour into a glacier lake

Drone shot Alex Taylor - Weather instruments on a palliative (dying) glacier in the Rockies

Photo Patrick McLaughlin - Man looking out at glacial lake

Drone shot Alex Taylor - Sky reflecting in glacial lake


Leanne Allison

Photo : Rachel Boekel

David Christensen
Executive Producer

Photo : Courtesy


Directed by

Leanne Allison


Written by

J.B. MacKinnon


Produced by

David Christensen


Director of Photography

Patrick McLaughlin


Drone Operator

Alex Taylor


Picture Editor

Oana Suteu Khintirian


VFX Supervisor

Ken Bitz


VFX Coordinator

Susan de St.Jorre


Visual Effects and Animation

Solid Green Inc.


Additional Cinematography

Leanne Allison


Camera Operator

Zac Mills


Sound Recordist

Dmitri Bandet


Original music by

Alec Harrison



Denis Dufresne, Violin and Viola Morag Northey, Cello Stephanie King, vocals



Leanne Allison


Sound Design and Mix

John Iaquinta, Alec Harrison


Voice-Over Recording

James Allinson


Audio Post Supervisor

Dan McManus


Original Music and Sound Post

Six Degrees Music + Sound


Online Editor & Colourist

Darren Bierman


Assistant Colourist

Bryan Duddridge, Tribal Imaging Inc.


Production Assistant

Caroline Hedin



Owen Short



Tony Clevenger


Science Advisors

Dr. Janet Fischer, Dr. MarkOlson

Supported by

Franklin & Marshall College, National Science Foundation


Production Supervisor

April Dunsmore, Esther Viragh


Studio Operations Manager

Devon Supeene, Darin Clausen


Production Coordinator

Janet Kwan, Jessica Smith, Everett Sokol


Studio Administrator

Bree Beach, Devon Supeene


Technical Coordinator

Lyne Lapointe


Legal Counsel

Peter Kallianiotis


Marketing Manager

Carly Kastner, Kelly Fox


Marketing Coordinator

Harmonie Hemming



Katja De Bock


Executive Producer

David Christensen


  • About the NFB

    The NFB is Canada’s public producer and distributor of award-winning documentaries, auteur animation, interactive stories and participatory experiences, working with talented creators across the country. The NFB is taking action to combat systemic racism and become a more open and diverse organization, while working to strengthen Indigenous-led production and gender equity in film and digital media. NFB productions have won more than 7,000 awards, including 12 Oscars. To access this unique content, visit NFB.ca.

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