



Some of this energy will be used to draw nutrients from deeper waters to the surface to grow seaweeds in farms worked on by ‘the poorest billion people on earth’, welcomed because ‘floating societies will require refugees to survive economically’. Some of the ideas they plan to use include harvesting calcium carbonate from seawater to create 3D-printed ‘artificial coral’ cities of upside-down skyscrapers – ‘seascrapers’ – powered by oceanic geothermal energy. The Seasteading Institute was founded in San Francisco in 2008 by anarcho-capitalist (and Google software engineer) Patri Friedman, with funding from PayPal billionaire Peter Thiel, to ‘establish permanent, autonomous ocean communities to enable experimentation and innovation with diverse social, political, and legal systems’. “The concept shares elements with the Seasteading movement, a libertarian group of mega-rich preppers intent on building independent floating cities on the high seas.
