As people flock to urban centers where ground space is Leave a Comment / By Aubrey Vilches / February 24, 2018 “As people flock to urban centers where ground space is limited, cities with green walls and roofs and skyscraper farms offer improved health and well-being, renewable resources, reliable food supply, and relief to the environment.”Diane AckermanRatingRelated PostsI think people are transientIt's difficult to believe that people are stillOn tour people know that if they ever ask me what IPeople may think I'm crazy but one of the ways I likeWhat I've enjoyed most though is meeting people who