Tag: hole
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Why The Ozone Hole Is on Track To Be Healed By Mid Century
Universal History Archive/Universal Images Group via Getty Images In 1985, atmospheric scientists in Antarctica noticed something troubling. For decades, they’d been measuring the thickness of the ozone layer in the upper atmosphere, the layer of gas that deflects much of the sun’s radiation. Starting in the 1970s, it had started plummeting. By the mid-1980s, they…
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Antarctica’s Extended Ozone Hole Raises Concerns For Penguin And Seal Breeding
(elnavegante/Getty Images) Over the last 25 years, the ozone hole which forms over Antarctica each spring has started to shrink. But over the last four years, even as the hole has shrunk it has persisted for an unusually long time. Our new research found that instead of closing up during November it has stayed open well into December.…
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