A Sacred Duty: Applying Jewish Values to Help Heal the World is a 2007 American documentary film written, directed, and produced by Lionel Friedberg.

[2] The film opens with footage of a NASA rocket launch, an animation of the Solar System, and a quote from Deuteronomy 30:19 about choosing between life and death (illustrated with images of Earth as seen from space, contrasted with an exploding atom bomb).

The Earth is again seen from space and the camera moves in to focus on Israel, which the narrator cites as a microcosm of current global problems related to air and water pollution, overpopulation, climate change, and health concerns.

After some fast-moving images of people and nature accompanied by music, the film ends with the same statement from Deuteronomy about "life and death" being narrated over a shot of a sunrise.

In contrasting his film with the more sanitized versions produced by the kosher meat industry, Friedberg stated, "To celebrate Judaism by depicting the assembly-line process by which animals are miraculously and happily turned into food for the Shabbat table without depicting the brutal cruelty and suffering that goes along with that process makes a mockery of the real meaning of our faith.

In October and November 2007, A Sacred Duty was released direct-to-video and on DVD, with public showings in both Israel and the United States.

Over 35,000 copies were distributed free of charge to synagogues, educational institutions, and individuals, complete with permission to show the film without having to pay the filmmakers any royalties.