Read at :
http://www.sciencedaily.com/releases/2013/01/130103151513.htm
Finding Chicago’s Food Gardens With Google Earth
Urban agriculture is promoted as a strategy for dealing with food insecurity, stimulating economic development, and combating diet-related health problems in cities. However, up to now, no one has known how much gardening is taking place in urban areas. Researchers at the University of Illinois have developed a methodology that they used to quantify the urban agriculture in Chicago.
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