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Self-Sufficient Floating Cities to be Produced by 2025

Japanese scientists are working on a concept to build carbon-neutral, self-sufficient floating cities.

Japanese firm Shimizu has a startling new concept: mini floating, carbon-neutral cities that drift across the Pacific on giant water lilies. The Green Float concept includes a number of cells that could house between 10,000 to 50,000 people.

The cells, each about 1 kilometre wide, could float freely or attach onto other cells to form larger towns, cities or even countries. At the centre of each cell, a 1 kilometre high “City in the Sky” skyscraper would house the majority of residents, made from light alloys from the metal deriving from magnesium in sea water.

Green Float City in the Sky

Grasslands and forests would be plentiful around each pod, essentially becoming self-sufficient in terms of food with farming and livestock throughout the 'plains.'

The creative concept Shimizu has dreamed up would potentially cut carbon emissions by 40 percent, scientists claim. Each cell would convert waste back into energy using the latest green technologies, and even collect islands of floating waste to harvest more energy.

Of course, the cities would have to float in waters guarded from extreme weather and tidal waves—ideally near the equator. Strong elastic membranes standing 30 feet above sea level would surround the cells to protect inhabitants from large waves. Sea walls as high as 100 feet could also be constructed, creating cities that are arguably more equipped to handle tsunamis than most coastal areas.

Green Float City

Too outlandish? Not according to Shimizu scientists, who are actually proposing to develop the first cells by as soon as 2025. They're not only working on the technologies to make it happen, but even thinking up new ways to collect solar energy on earth by encircling the moon with a belt of solar collectors.

https://youtube.com/watch?feature=player_embedded&v=fXbYRxl16SA

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By. Carin Hall of Energy Digital


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Leave a comment
  • Mel Tisdale on February 09 2012 said:
    Like most Holywood output, The Poseidon Adventure was scientifically way out of touch with reality. A Tsunami only gains height (and loses speed) when it is over a continental shelf. When they are out at sea they are only at most a couple of feet high at their peak. The wave itself has a very long period. So, even though they travel at many hundreds of miles per hour they are not noticed by ships of any decent size, even a smally sailing dinghy would not be too disturbed by the experience of encountering one. The upshot is that these floating cities do not need any protection from them.
  • richard davidson on February 09 2012 said:
    This a very clever system. It is based on "The Millennial Project : colonizing the galaxy in eight easy steps", by Marshall T. Savage,1992 (with foreword by Arthur C. Clarke). Savage believed the Indian Ocean was the safest place to station the island communities. The islands would not be bothered by Tsunamis, but would be terribly susceptible to rogue waves. I suppose the Chinese will probably take over the project since they have the money and political connections in Africa to do it. The space part depends on vacuum tube/rail gun launch of capsules from Kilimanjaro.

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