June 21, 2017 04:47 am PDT
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/vLfRhVEtIbI/giant-high-tech-rooftop-greenh.html
Giant high-tech rooftop greenhouse uses no soil
Lufa Farms is a commercial rooftop greenhouse built in 2010, one of three such gardens that help feed 2% of Montreal. (more…)
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/vLfRhVEtIbI/giant-high-tech-rooftop-greenh.html
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