a production of Public Affairs Television, Inc. ; written by Bill Moyers, David Brancaccio, Judy Stoeven Davies ; directed by Mark Ganguzza ; a presentation of Thirteen/WNET New York
producer [for Tigress Productions], Sarah Williams ; director, Justine Kershaw ; producers [for WNET-Nature], Jessica Siegel, Jill Clarke ; a Tigress production ; a co-production of Thirteen/WNET and the BBC
a co-production of David Sutherland Productions, Inc. and Frontline in association with The Independent Television Service ; written, produced, directed and edited by David Sutherland
produced by Howard Hall Productions ; presenter: Devillier Donegan enterprises and Docstar ; Co-producer/Director: Howard Hall ; Co-producer: Michele Hall
Partridge Productions ; written by Phil Agland ; produced by Phil Agland, Michael Rosenberg ; directed by David Heeley ; a presentation of WNET/Thirteen in association with the Nature Conservancy