The global overshoot indicated by Ecological Footprint calculations consists entirely of an unreliable reframing of human carbon emissions and none of the five other land-use categories—cropland, grazing land, built-up land, fishing grounds, and forests. The Ecological Footprint is therefore “so misleading as to preclude its use in any serious science or policy context,” argue Blomqvist et al. in this perspective.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3818165PMC
http://dx.doi.org/10.1371/journal.pbio.1001700DOI Listing

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