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What is the Ecological Footprint?

HUMANITY’S ECOLOGICAL FOOTPRINT A TOOL FOR NAVIGATING IN A RESOURCE CONSTRAINED WORLD Rachel Hodara. What is the Ecological Footprint?. Quantitative measure of the demand humanity places on the biosphere. Footprint. Resources. Waste. Biocapacity. Calculation of the Footprint.

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What is the Ecological Footprint?

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  1. HUMANITY’S ECOLOGICAL FOOTPRINTA TOOL FOR NAVIGATING IN A RESOURCE CONSTRAINED WORLDRachel Hodara

  2. What is the Ecological Footprint? • Quantitative measure of the demand humanity places on the biosphere Footprint Resources Waste Biocapacity

  3. Calculation of the Footprint • Ecological Footprint • How much area do we demand? • Biocapacity • How much area is available to us? 13.4 billion bioproductive hectares worldwide 6.5 billion people

  4. Components of the Footprint Grazing Land Cropland Fishing Grounds Forest Carbon Uptake Land Built Area

  5. Components of the Footprint 110 m3 3.10 m3 /US ha 3.10 m3 /US ha 2.36 m3 /World ha 62 global hectares x x 1.33 = Equivalence Factor Ecological Footprint Yield factor

  6. Sustainability or Overshoot?

  7. National Footprints

  8. National Footprints United States (9.42 gha per person) Tanzania (1.14 gha per person) France (4.93 gha per person) Philippines (0.87 gha per person)

  9. The Personal Footprint -- CLUMs

  10. Limitations of the Footprint • Doesn’t take into account persistent pollution with no established biocapacity • Only a set of proxy values for personal Footprints • Assumes identical consumption patterns nationwide

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