• Golden, CO Green Center @ Colorado School of Mines

2026 Festival February 20-22

February 23-March 1: Online Film Encore!

Our Mission

The Colorado Environmental Film Festival celebrates the power of film to inspire, educate and motivate people to protect and preserve the environment.

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Festival Happenings

Film Screenings

CEFF features over 60 films from around the world every year, pairing short and feature length films sure to inspire you!
*Select in-person screenings offer open captions or full English subtitles.

Online Encore Films

Missed a film over the festival weekend? Want to watch it again? Don’t live nearby? Enjoy the films from home for one week only!
*All films in Online Encore offer captions.

CEFF 4 Classrooms

Explore our school-based program for classrooms to participate in FREE in-person or on-demand film screenings.
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Eco-Expo

Connect and get involved at the Eco-Expo to feel empowered and inspired, and add new tools to your environmental-action tool bag.
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Parties

Enjoy local drinks and snacks while chatting with the CEFF community of film-lovers, filmmakers, and community organizations.

How You Can Be Involved

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Submit a Film

CEFF accepts films from around the world that showcase environmental themes and solutions. Submission window is open June-October each year.

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Volunteer

Meet interesting and inspiring new friends, solve problems you never knew existed, and feel exhilarated to be a part of a meaningful movement to change the world for the better!

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Donate

CEFF is a community 501(c)(3) non-profit organization run primarily by volunteers – we need your support to showcase the year’s best environmental films in Colorado!

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Attend

Be a part of the action, join our community of festival-goers and enjoy over 70 films in-person or virtually during the annual festival. Tickets go on sale in January.