David Suzuki presents ; written by Amanda Mcconnell ; directors, Michelle Metivier [and 3 others] ; produced in association with the Canadian Broadcasting Corporation, the Public Broadcasting Service, and the National Science Foundation ; produced by Kensington Communications, Inc. in association with Sacred Balance Productions, Inc
British Film Institute and Film4 present ; in association with Rooks Nest Entertainment and with the participation of Bord Scannán na hÉireann/The Irish Film Board ; a P Guide production in association with Blinder Films ; a film by Sophie Fiennes ; executive producers, Katherine Butler, Tabitha Jackson, Shani Hinton ; executive producers, Michael Sackler, Julia Godzinskaya ; producers, James Wilson, Martin Rosenbaum, Katie Holly, Sophie Fiennes ; directed by Sophie Fiennes