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calestous's profile
Calestous Juma
Calestous Juma
Calestous Juma
Verified account
@calestous

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Calestous JumaVerified account

@calestous

Professor @BelferCenter @KennedySchool @Harvard | A New Culture of Innovation: Technology, Entrepreneurship and Prosperity (forthcoming book)

bit.ly/2sG3K0T
Joined April 2009

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    Calestous Juma‏Verified account @calestous 2 Jul 2014

    RT @justcoachit: WOW! Tree-Shaped Farm-On-A-Skyscraper Could Bring Acres Of Crops Into The #City http://www.fastcoexist.com/3032379/this-tree-shaped-farm-on-a-skyscraper-could-bring-acres-of-crops-into-the-city …

    12:44 PM - 2 Jul 2014
    • 1 Retweet
    • 1 Like
    • BASF Agro Pezzani
    13 replies 1 retweet 1 like
      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous If they'd choose the right seeds, the next generation might find the cities clean enough to farm. #phytoremediation @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous "If we just throw some seeds on the ground, 250 decades of urban pollution will just so disappear" NO. @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous Many urban Westerners these years desire to flee to some pastoral Arcadia - that never actually existed anywhere. @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous It is clear that these plans, as nice as they look, were all made by ppl with no farming experience whatsoever. @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous #Urbangardening needs barrier plantings of shrubs and trees to be safe. Elevated sites are never safe. @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous http://ec.europa.eu/environment/integration/research/newsalert/pdf/291na1.pdf … @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        @calestous Kids eating this food regularly will be mentally retarded. @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous "tomatoes containing 11 times as much cadmium and nearly five times as much nickel as supermarket tomatoes" @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous Ironically, the ppl who most aggressively push this #urbangardening poison food usually claim GMO will kill you. @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous Rule of thumb: Air and soil pollutant levels in cleanest urban setting = most polluted rural setting. @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous angle the sun side of buildings, cover it with greenhouses & solar panels. @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous None of these plans will survive the first ecotoxicology assessment. The Swedish approach seems better: @justcoachit

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      1. Aethusa cynⓐpium‏ @Iteration23 2 Jul 2014
        Replying to @calestous

        .@calestous Unfortunately, open-air urban produce is the hype among hipster designers, but it's too contaminated to eat safely. @justcoachit

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