Credits

• 2011 · Mother: Caring for 7 Billion as Himself (Earth Policy Institute)
• 2011 · Plan B as Himself
• 2010 · Woodstock 5 Stelle as Lester Brown
• 2010 · Climate Refugees as Self
• 2008 · Blind Spot as Himself
• 1961 · Nude on the Moon as Dr. Jeff Huntley