Last updated: 30 july, 2010 - 13:27 GMT
Advocacy Documentaries
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Countdown to Zero, a film promoting nuclear disarmament, has recently premiered in Los Angeles.
The film's producers made the award-winning climate change documentary, An Inconvenient Truth, and hope this film will spawn a similar grassroots movement.
This time though their mission is to rid the world of nuclear weapons.
Laura Hubber reports on Countdown to Zero and the documentary wave that keeps rolling.
First broadcast 23rd July 2010.
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