Calculating humanity's Ecological Footprint

Figure 15: Every human activity uses biologically productive land and/or fishing grounds The Ecological Footprint is the sum of this area, regardless of where it is located on the planet. LPR2010
© WWF /Footprint Network
The Ecological Footprint measures the amount of biologically productive land and water area required to produce the resources an individual, population or activity consumes and to absorb the waste it generates, given prevailing technology and resource management.

Both the Ecological Footprint (which represents demand for resources) and biocapacity (which represents the availability of resources) are expressed in units called global hectares (gha), with 1gha representing the productive capacity of 1ha of land at world average productivity.

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