ENVIRONMENT
05/10/2010 05:12 am ET Updated May 25, 2011

Underwater Skyscraper Harvests Renewable Energy, Grows Own Food

Ocean levels are rising around the globe, so rather than tethering our buildings to the sinking shoreline why not suit them for a life at sea? That's the approach behind the Water-Scraper, a futuristic self-sufficient floating city.

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