CENTURY CITY, CA - APRIL 22: James Cameron attends the Blu-ray and DVD release of "Avatar" Earth Day tree planting ceremony at Fox Studio Lot on April 22, 2010 in Century City, California. (Photo by Noel Vasquez/FilmMagic)
CENTURY CITY, CA - APRIL 22: James Cameron attends the Blu-ray and DVD release of "Avatar" Earth Day tree planting ceremony at Fox Studio Lot on April 22, 2010 in Century City, California. (Photo by Noel Vasquez/FilmMagic)