Official Site: http://www.DirtTheMovie.org – directed and produced by Bill Benenson and Gene Rosow, DIRT takes you inside the wonders of the soil. It tells the story of Earth’s most valuable and underappreciated source of fertility–from its miraculous beginning to its crippling degradation.
Learn more: http://dirt.bluestatedigital.com/pages/about-the-film
(Thanks to Jarrod McKenna for the link.)
Persona 