Transcript Ecological Footprints

Ecological Footprints
An Index of Human Resource Usage
What Is An Ecological Footprint?
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Term first used in 1996 by William Rees and
Mathis Wackernagel @ Uni. of British Columbia
A mathematical analysis which estimates the
area of globally productive land and water
needed to support human activities, by
measuring energy, food & water use, building
materials and waste production
An index of resource consumption used to
compare individuals, people groups and nations
Measured in Hectares or Acres
2.47 Acres per Hectare
Which Country Do You Think Has
The Biggest Footprint?