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The Lexicon of Sustainability | The Story of an Egg | PBS

Duration: 06:05

Can learning the meaning of a single term actually help change the food system? David Evans and Alexis Koefoed think so. These poultry farmers explain the real story behind such terms as cage free, free range, and pasture raised so that consumers can make informed decisions when they go to their local supermarket.

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Post Date: May 15, 2012