written and produced by Peter A. Steen ; director, Bruce Nash ; created by Bruce Nash ; produced by Actuality Productions, Inc. for the History Channel
Open Road presents ; a Shangri La Entertainment production ; produced by Jacob Pechenik ... [et al.] ; written by Mitch Glazer ; directed by Barry Levinson
produced by Society of Manufacturing Engineers ; executive producer, Thomas J. Drozda ; director/cameraman, Steven R. Bollinger ; written by Curt LaLonde
un produzione Wildside e Vision Distribution in collaborazione con Sky, Prime Video ; sceneggiatura, Francesca Archibugi, Paolo Giordano, Francesco Piccolo, Paolo Virzì ; prodotto da Mario Gianani, Lorenzo Gangarossa ; diretto da Paolo Virzì
Universidad Nacional Autonoma de Mexico ; GAIA, Grupo de Accion Interdisciplinaria Ambiental A.C. ; un documental de Francisco Taboada Tabone ; lo hicimos nosotros Atahualpa Caldera Sosa, Fernanda Robinson