The Alarming Decline of Antarctic Sea Ice

Once again, fears are ripping through the industry—this time starting from a firm once thought too big to fail. In an economy so dependent on housebuilding, that will have wide-ranging consequences. We take a ride in one of the autonomous taxis that have flooded onto San Francisco’s streets (10:22). And crunching the numbers on Antarctica’s worrisome dearth of sea ice (19:40). 

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