Vancouver, Canada and U.K. based Valcent is obviously a very serious player in pursuit of technology based solutions for urban agriculture. I wonder if the U.S. has a horse in this race. We should but I do not see one at this time. We cannot afford to be bystanders in critically important markets like this one.
Prior Valcent posts:Valcent VertiCrop System Pilot Project
The Tomorrow Garden From Valcent via money.cnn.com
Robert F. Kennedy Jr. made a presentation on vertical farming and urban agriculture featuring Valcent's VertiCrop™ vertical plant growing system at the 78th Winter Meeting of The U.S. Conference of Mayors, in Washington, D.C. last week.
Mr. Kennedy's presentation highlighted the merits and necessity of vertical farming in urban agriculture and the world's balance between demand and supply of food which is sensitive to climate change, fuel demands, access to water, and investments in research and infrastructure.
Contrary to traditional farming, "VertiCrop™ behaves like an ecosystem as waste is recaptured and water is used over and over again," stated Mr. Kennedy. "Substitution of this technology for conventional food production can revitalize agricultural land damaged by traditional farming, rejuvenate abandoned city properties, and help combat health problems such as Type II diabetes and obesity that result, in part, from lack of quality produce in our diets."

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