During times of war, food scares, and drought, urban gardens have been used to sustain the human population.
Urban gardening is becoming more prevalent as people increase their awareness of food deserts, food miles, and the benefits of organic foods.
Rooftop farms make excellent use of the ample space atop buildings.
Aquaponic urban farms have also been developed and make use of old shipping containers.
Community gardens like this one found in Savannah, GA, create jobs, aid in reducing crime, organize communities, while at the same time increasing both the health of the people and the environment.
Fast food restaraunts and school cafeterias are also converting their menus to offer more wholesome, healthy options.