Why would we need un­der­wa­ter cities?

Focus-Science and Technology - - LIFE IS FOR LEARNING ADVERTISEMENT FEATURE DUBLIN -

As sea lev­els and pop­u­la­tions rise, and we be­gin to run out of space on land, some pi­o­neers think that we should be­gin to colonise the oceans. French ar­chi­tect Jac­ques Rougerie, now aged 73, has de­signed dozens of un­der­wa­ter habi­tats over his ca­reer. In a boat­yard in Bordeaux lies the first com­po­nent of his lat­est idea: SeaOr­biter, a float­ing re­search colony that ex­tends 31m be­neath the sur­face. Mean­while, Cana­dian in­ven­tor Phil Nuyt­ten imag­ines a set­tle­ment much deeper un­der­wa­ter, which would har­vest re­sources from ther­mal vents. We’re not talk­ing city-sized habi­tats yet, but ev­ery jour­ney starts with a sin­gle step…

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