Are vertical farms the answer after all?

High-Tech Greenhouses See 20-Fold Increase in Yields

Adam Stein of Terrapass was famously skeptical about vertical farms, describing them as "pie in the sky". So I was surprised to read one of his latest blog posts, in which he links to an LA Times article about high-tech California greenhouses that are employing vertical farming techniques, and boosting crop yields per acre by a factor of 20. Could it be that Adam was wrong about vertical farming? …

Are Vertical Farms the Answer After All?

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