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Tag: Human energy use

Human appropriation of biomass energy doubled in the 20th century

By Nick Meynen. How do we measure the scale of human activities compared to natural processes? As we evolved from a world almost empty of humans to a full world, that …

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Human energy use (endosomatic / exosomatic)

Ecological economists distinguish (following A. Lotka’s ideas) between ‘endosomatic’ and ‘exosomatic’ use of energy by humans. Inside the body, as food energy, adult humans spend per day between 1,500 and …