Acting

2013

A Fierce Green Fire as Self (archive footage)

2012

Who Bombed Judi Bari? as Self - Founder, Earth Island Institute (archive footage)

2004

Monumental: David Brower's Fight for Wild America as Self

1997

Cadillac Desert: Water and the Transformation of Nature as Self - Executive Director, Sierra Club

1983

Water and the Dream of the Engineers as Self

1968

The Dick Cavett Show (1 episode) as Self - Guest