Tucson, UNESCO City of Gastronomy

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In 2015, Tucson was named the first UNESCO City of Gastronomy in the U.S. due to the region's more than 4,000 year-old agricultural history, among other reasons. Gary Nabhan is an ethnobotanist and the founding director of regional food studies at the University of Arizona. He recently authored a report on the state of Tucson’s food system and visits to talk about the significance of the designation.