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 Ackerman Rating Please wait... Related PostsIt's difficult to believe that people are stillIf you have good food people will come toWhile some people may think being a chef only entailsYou entertain people who are satisfiedI've become one of those annoying people who brings