sierraclub.org - sierra magazine - march/april 2012 - future-cities - your future city?
By Colin Griffin
Plantagon International
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Plantagon International claims that its geodesic urban greenhouse could grow plants from seed to harvest with a yield 10 times higher than that of a traditional, sprawling farm. As crops mature, they would climb a spiral conveyor belt, all within the orb's 120-foot diameter.
Stupefaction Factor: 5. Imagine waking up to find that a gargantuan plant-filled hamster ball now occupies the lot next to your apartment building.
Fantasy Factor: 4. The urban greenhouse has already attracted the attention of a few high-profile investors, including the multibillion-dollar Swedish aerospace design firm Saab, and Plantagon is littered with former CEOs and strategists used to transmuting ideas into profit.