WASHINGTON - APRIL 20: Actor and environmental activist Edward Norton addresses the crowd at the Green Apple Festival concert for Earth Day on the National Mall in Washington, April 20, 2008. (Photo by Paul Morigi/WireImage)
WASHINGTON - APRIL 20: Actor and environmental activist Edward Norton addresses the crowd at the Green Apple Festival concert for Earth Day on the National Mall in Washington, April 20, 2008. (Photo by Paul Morigi/WireImage)