An Inconvenient Truth is an American ocumentary film about global warming, presented by former United States Vice President Al Gore and directed by Davis Guggenheim. The film premiered at the 2006 Sundance Film Festival and opened in New York and Los Angeles on May 24, 2006. The film was released on DVD by Paramount Home Entertainment on November 21, 2006. A companion book authored by Gore reached #1 on the paperback nonfiction New York Times bestseller list on July 2, 2006. The documentary won Academy Awards for Best Documentary Feature and for Best Original Song.