Cool It is a 2010 documentary film based on the book Cool It: The Skeptical Environmentalist's Guide to Global Warming by Danish political scientist Bjørn Lomborg. The film stars Lomborg, best known for authoring The Skeptical Environmentalist. It premiered in September in Canada at the 2010 Toronto International Film Festival and had a theatrical United States release on November 12, 2010. The film was directed by Ondi Timoner.