The ecological footprint [videorecording] : accounting for a small planet / Bullfrog Films presents; a Northcutt production, produced in association with Global Footprint Network.
Contains a U.S. version (results in acres) and a world version (results in hectares). Based on the book, Our ecological footprint: reducing human impact on the earth, by Mathis Wackernagel and William E. Rees. Written and narrated by Mathis Wackernagel.
Summary:
Dr. Mathis Wackernagel discusses the unprecedented demand on the limited ecological resources of the earth, and introduces the Ecological Footprint, a resource accounting tool that measures human demand on the earth.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.