AdvertisementTucson Food Bank Helps The Needy Grow Their Own FoodJuly 27, 2013Pam FesslerfacebookEmailEfren Martinez (right), 22, and his friend Marcos Perez try to get neighborhood kids interested in gardening at Las Milpitas de Cottonwood farm, which is run by the local food bank in Tucson, Ariz. (NPR)