Original sentence: An Inconvenient Truth is an Academy Award-winning documentary film about climate change, specifically global warming,  presented by former United States Vice President Al Gore and directed by Davis Guggenheim.In Burlington, Ontario, the Halton District School board has made An Inconvenient Truth available at schools and as an educational resource.The film premiered at the 2006 Sundance Film Festival and opened in New York and Los Angeles on May 24 2006
Edited sentence: An Inconvenient Truth is a controversial Academy Award-winning documentary film about climate change, specifically global warming,  presented by former United States Vice President Al Gore and directed by Davis Guggenheim.In Burlington, Ontario, the Halton District School Board has made An Inconvenient Truth available at schools and as an educational resource.The film premiered at the 2006 Sundance Film Festival and opened in New York and Los Angeles on May 24, 2006