Dr. Ballard takes-on the long-held belief that space colonies will save the earth, as argued by on-air Apollo 11 crewmember Buzz Aldrin. To do so, Dr. Ballard travels to Hawaii to meet with experimental open-water aqua farmers; to California, where fast moving personal underwater vehicle are being developed for future ocean colonies; and Texas and Alaska where oil platforms are being converted into sea colonies and new imaging technology is unlocking resources hidden on the ocean bottom.
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