Browsing by Author "Powles, John W."

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    • Food, livestock production, energy, climate change, and health 
      McMichael, Anthony J.; Powles, John W.; Butler, Colin D.; Uauy Dagach-Imbarack, Ricardo (2007)
      Food provides energy and nutrients, but its acquisition requires energy expenditure. In post-hunter-gatherer societies, extra-somatic energy has greatly expanded and intensified the catching, gathering, and production of ...