script, Paula Kehoe ; producer, Marcus Stewart ; executive producer, Duncan Stewart ; director, Paula Kehoe ; Earth Horizon Productions ; [Media Education Foundation presents a film by Paula Kehoe]
Unicorn Stencil presents ; in association with The Missouri History Museum ; directed by Chad Freidrichs ; produced by Chad Freidrichs, Jaime Freidrichs, Paul Fehler, Brian Woodman ; script by Chad & Jaime Freidrichs
People's Television presents ; by director Nicholas Bruckman ; co-director, John Mattiuzzi ; co-producer, Jesse Thomas ; directed and produced by Nicholas Bruckman
National Geographic Documentary Films presents ; a RadicalMedia production in partnership with Bloomberg Philanthropies ; directed by Sidney Beaumont, Michael Bonfiglio ; produced by Sidney Beaumont