"The 11th Hour" producer Leonardo DiCaprio poses with directors Leila Conners Petersen, left, and Nadia Conners at the premiere of the documentary on global warming in Los Angeles, Wednesday, Aug. 8, 2007.
Actor Leonardo DiCaprio arrives at the premiere of "The 11th Hour," a documentary he co-wrote and produced, in Los Angeles, Wednesday, Aug. 8, 2007. The movie opens Aug. 17.
Actress Kate Bosworth arrives at the premiere of "The 11th Hour" in Los Angeles, Wednesday, Aug. 8, 2007. The movie looks at the state of global warming and offers suggestions for improvement.
"Entourage" star Adrian Grenier arrives for the premiere of "The 11th Hour" in Los Angeles, Wednesday, Aug. 8, 2007.
Directors Leila Conners Petersen, left, and Nadia Conners, right, pose with actress Kate Bosworth at the premiere of Warner Independent's "The 11th Hour" at Arclight Cinemas on Aug. 8, 2007, in Los Angeles. Nadia co-wrote the movie with actor/producer Leonardo DiCaprio.
Actor Tobey Maguire and his wife, Jennifer Meyer, arrive at the premiere of "The 11th Hour" in Los Angeles, Wednesday, Aug. 8, 2007.
Actress Q'Orianka Kilcher arrives at the premiere of Warner Independent's "The 11th Hour" at the ArcLight Cinema on Aug. 8, 2007, in Los Angeles.
French actress Julie Delpy arrives at the premiere of Warner Independent's "The 11th Hour" at the ArcLight Cinema on Aug. 8, 2007, in Los Angeles.
Actor/producer Leonardo DiCaprio and Warner Bros. exec Jeff Robinov talk at the premiere of Warner Independent's "The 11th Hour" at the Arclight Cinemas on Aug. 8, 2007 in Los Angeles.
Actor Tobey Maguire poses on the red carpet at the premiere of "The 11th Hour" in Los Angeles, Wednesday, Aug. 8, 2007.
Environmental activist Tzeporah Berman arrives at the premiere of "The 11th Hour" in Los Angeles, Wednesday, Aug. 8, 2007. Berman, a co-founder of Forest Ethics, contributed to the environmental documentary.
Leonardo DiCaprio poses for photographers at the premiere of "The 11th Hour" in Los Angeles, Wednesday, Aug. 8, 2007. The award-winning actor narrates the documentary, which he co-wrote and produced.
Actor Walton Goggins and director Nadia Conners arrive at the premiere of Warner Independent's "The 11th Hour" at the Arclight Cinemas on Aug. 8, 2007, in Los Angeles. Connors co-wrote the film and directed it with Leila Conners Petersen.
Actress Kate Bosworth shares a laugh with other guests at the premiere of "The 11th Hour" in Los Angeles, Wednesday, Aug. 8, 2007.
Warner Independent's Polly Cohen, left, poses with, from left, directors Nadia Conners and Leila Conners Petersen and actor/producer Leonardo DiCaprio at the party at the The Cabana Club after the premiere of Warner Independent's "The 11th Hour" on Aug. 8, 2007, in Los Angeles.
Irmalin DiCaprio arrives at the premiere of Warner Independent's "The 11th Hour" at the ArcLight Cinema on Aug. 8, 2007, in Los Angeles. She is the mother of Leonardo DiCaprio, who narrated, co-wrote and produced the documentary.
Actor Leonardo DiCaprio is photographed at the premiere of his environmental documentary film, "The 11th Hour," in Los Angeles, Wednesday, Aug. 8, 2007. He narrated, co-wrote and produced the documentary.