Which documentary came out first out of Gasland and The Truth According to Wikipedia?
Gasland Gasland is a 2010 American documentary written and directed by Josh Fox. Nominated for an Academy Award for Best Documentary in 2011, the film focuses on communities in the United States affected by natural gas drilling and, specifically, a method of horizontal drilling into shale formations known as hydraulic fracturing. The film was a key mobilizer for the anti-fracking movement, and "brought the term 'hydraulic fracturing' into the nation's living rooms" according to "The New York Times". The film was nominated for the Academy Award for Best Documentary Feature.
Giuseppina Giuseppina is a 1960 short British documentary film produced by James Hill. It won the Academy Award for Documentary Short Subject. Production of the film was sponsored by the British Petroleum company (BP), which also distributes the film. The BP webpage summarizes the film as, "set at an Italian petrol station where various characters pass through on their onward journey, while entertaining and playing with the attendant's daughter, Giuseppina."