Unit 5.11: Ecological Footprints

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6 Terms

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Ecological Footprint

measure of how much a person/group consumers, expressed in area of land (gha - global hectare) which is a biologically productive hectare (2.47 acres) OR in “number of earths” required if the entire world consumed the same level of resources as a given individual or group

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Carbon Footprint

measured in tonnes of carbon dioxide produced per year

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Factors that increase footprint

affluence, meat consumption, fossil fuel usage

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Factors that decrease footprint

renewable energy use, public transportation, plant-based diet; less consumption, travel, and energy use

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5.1 Earths

average American’s ecological footprint

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1.85 Earths

average global footprint