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The Boston Globe

Business

INNOVATION ECONOMY

Firms plant hopes on urban garden space

WORCESTER

On a 91-degree day recently, Brad McNamara and Jon Friedman worked inside a shipping container in a mostly empty parking lot. They were preparing to install plastic-and-foam growing channels on the walls, a drip irrigation system on the ceiling, and LED lights that would transform the 40-foot-long steel box, bought used on Craigslist, into a greenhouse where lettuces, tomatoes, and peppers can grow year-round.

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