Are there any cities in the world that can say that they grow all of their own food?



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    No, not really.  By definition, cities are densely populated, and the land within a city is used mainly to house its residents, resulting in an absence of agricultural land.  For this reason, there aren’t any cities that can claim to “feed themselves.”  However, there are some great new ideas in this area that, if implemented, could see some progress toward that goal.  Vertical farming is an envisioned farming technique in which a building is constructed several stories high as a self-sustaining hothouse right in the middle of the city.  Urban farming seeks to use unused city land, building space, and rooftops as gardens with which to feed the population.

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