Redford gushes over Prince Charles' green agenda

LONDON, ENGLAND - APRIL 28:  Brian Molko, Stefan Olsdal and Steve Forrest of Placebo pose backstage before performing during Sundance London at Indigo2 at O2 Arena on April 28, 2012 in London, England.  (Photo by Gareth Cattermole/Getty Images for Sundance/AEG Europe)
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Sundance London - MUSIC EVENT: PLACEBO at IndigO2

LONDON (AP) — American Hollywood royalty teamed up with British royalty as Robert Redford appeared in London to promote a documentary on Prince Charles' latest environmental projects.

Redford praised the heir to the British throne, speaking Thursday at the launch of the first-ever Sundance film and music festival.

He says Charles "has been committed for a long time, which I greatly admire, to sustainability and environmental conservation" and said working together "seemed like a natural fit."

Sundance London will host the royal premiere on Saturday of "Harmony: A New Way of Looking at Our World." The documentary by filmmakers Stuart Sender and Julie Bergman Sender maps out three decades of environmental work by the prince.

The Sundance London festival runs from April 26-29 at London's O2 Arena.