| http://www.w3.org/ns/prov#value | - As some of Plato???s characters in his Republic observed more than two millennia ago, to find a city ???where nothing need be imported??? was already then ???impossible.??? 4???Urban Farmers???It???s worth noting that until the second half of the 19th century, many types of food that did not keep or travel well, or that benefitted from the large amount of organic waste generated in cities, were pr
|
