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If all goes well, urban locavores will have a year-round source of non-GMO, pesticide-and-herbicide-free produce by early 2011. Lufa Farms, a Montreal company, plans to unveil the world's first commercial-scale rooftop greenhouse atop of a two-storey office building near Marche Centrale…

Lynn said that because his firm intends to ship produce within 24 hours of harvesting, he has the option of selecting more fragile -and often tastier -varieties of produce. To that end, Lufa Farms has been working with Ï㽶ÊÓƵ plant science and nutrition professors to help choose the tastiest and most nutritious strains to plant.