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  • Robert Eiferd

    Detroit, Michigan is a prime candidate for urban gardens.

    When the economy went downhill, people left Detroit for "Greener Pastures". The result - A city in decay - full of burned out, boarded up, empty houses.

    Mayor Dave Bing has developed a plan to encourage concentration of the remaining population in "enclaves" that would be surrounded by green space. What a perfect marriage - A vibrant collection of enclaves surrounded by urban farms and efficient rapid transit to move from spot to spot. Some of the open land could be used for solar and wind based power generation that could feed the local power grid. Empty land could be converted to public gardens, recreational space, and could be criss crossed with walking/running/bicycling paths.

    It is a gigantic project and must be managed by dreamers, entrepenures, MBA's, fund raisers, philanthropists, and politicians. It needs a master plan -- any planners want to go to work in a City with Promise"?

    Detroit can be a example about how to rebuild a decaying city.

  • Catherine Carstens

    Jackson Hole, Wyoming is making moves to promote more local, sustainably grown foods year-round in our cold climate. The project, Vertical Harvest Jackson Hole, is creating a vertical farm adjacent to a parking garage, using otherwise vacant land.

    Learn more about this project at and at, where you can donate and help fill a community need in Jackson Hole.

  • AlisterL

    Definitely think that it should be made part of building law to provide space for growing food on roofs to feed the cities

  • day2dayprinting

    Great move towards sustainability. I think commercial companies need to play along with the idea of reducing their footprint and implement procedures that are aligned with sustainability as well as providing capital to organizations that work directly towards betterment of human societies.

    In our division, we try to contribute towards sustainability by and operating as lean as possible. Truthfully, this effort has increased positive responses from our clients and enhanced our employee moral and engagement.


    • JonathanWiki

      Love my job, since I've been bringing in $5600… I sit at home, music playing while I work in front of my new iMac that I got now that I'm making it online(Click on menu Home)

  • linus$kate

    Urban agriculture and horticulture has great social and civic benefit — and needs to be encouraged. It's also brilliant that people are experimenting with city infrastructure, including its built infrastructure so that urbanites can grow food stuffs.

    But cities are not places where food can be grown in any quantity, and never have been.

    Grasp the magnitude of what it takes to feed my home city of Birmingham, in global terms a small city, with only 1M souls. Assume the average daily requirement is 2000 calories (close enough, the UN reports the average intake per person last year was 1.8K calories). Hence the calorie requirement for this city is 2000,000,000 calories per day, which is close to three-quarters of a trillion every year.

    See this image — of an amended baked bean tin label:

    Global food security is a big issue, sure. To feed the 7bn of us now, the 9 or 10bn by 2050, we need sustainable intensification of food production.

    Contrary to what many believe, local food production is a red herring when it comes to feeding us all. Within a densely populated city,which is the soundest ecological option for human habitat given our numbers, growing food within an urban environment will be comprise a tiny fraction of 1% of our requirements — unless there is an as-yet unimagined technological revolution in foodstuff processing.

    What we can do, what will really make a massively big difference, is eat less, buy less and waste less.

  • jimrusk

    This is exactly what needs to be done! But, it also can be done by using old warehouses and existing buildings to grow produce for eating. An example would be which shows a newer system for growing indoors using 95% less water then conventional farming. Hopefully investors are seeing this new movement and will start investing in this technology.

  • Dave Parsons

    This is a piece of the natural cycle of food production. To complete the cycle one must incorporate the application of plant and human waste to the soil in order to return the nutrients and increase the Soil Organic Matter - SOM - which increases fertility and adds carbon to the soil. Fortunately we have the means to do this AND produce energy. Anaerobic digestion using a 'dry' technique produces methane CH4 which can generate electricity or fuel vehicles along with a compostable residue. See information about the digesters at University of Wisconsin at Osh Kosh & Bioferm and the project with quasar energy group & Ohio State University. Sunlight+water+soil+plants=food energy. Food waste+plant waste+anaerobic digesters=energy+compost. Compost+soil+water+sunlight=more fertile soil and more food. Etc, etc, etc

  • Eric Johansson

    I love the idea of cities growing all their own food without any dependency on the surrounding countryside. It would be better to handle all their own sewerage and pollution as well as produced all of their own energy. It would be fantastic if the city could be as self-contained as a spaceship with minimal external dependencies. Today, cities leach too much off of the surrounding countryside and changing that would be amazing.

  • Lea Brandy

    America needs more people discussing this very notion, thinking more along the lines of creative farming. Many of these ideas are exactly the type of solutions America is going to need to get away from factory farming, genetically modified foods and diminishing ag lands. Brilliant.