Plantagon: The Future of Food

Growing food vertically in the city? The Swedish company Plantagon shows how to grow more food in less space when it opens its first urban greenhouse in Linkoping, a city some 180 miles from Stockholm. The plan is to grow vegetables in a turning helix with minimal water, energy and the need for fertilizer. Earth Focus visits Plantagon for a look at what might well be the future of urban food.

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