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Summary
Although ozone-destroying chemicals have been in decline for a decade now, researchers have long projected that they will not glimpse the first signs that the Antarctic ozone hole is healing until well past 2020. But for the first time, a group of researchers claims they can already see the ozone hole slowly recovering. Many others, however, say the paper, now in press in Geophysical Research Letters, leaves out critical information needed to clinch the case.
