Reply #7: I definitely agree that nobody who lived there before the disaster will ever move back [View All]

[txlibdem]

The Japanese are very intelligent and have great experience with robotics so I may be underestimating their ability to remove/remediate the radioactive materials. But without some very extensive cleanup over a pretty huge area I think you might be right with your 300 year figure.

Or would it be cheaper to just build floating cities?
http://www.gizmag.com/lilypad-floating-city-concept/17697/

5 examples of floating cities here:
http://weburbanist.com/2008/03/09/5-floating-utopia-and-ocean-city-projects-from-seafaring-condos-to-to-oceanic-micronations/

And to power these floating cities? Floating solar farms, of course:
http://www.wired.com/wiredscience/2008/05/researcher-push/