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The ozone hole is modest despite optimal conditions for ozone depletion

The ozone hole formed in the upper atmosphere of Antarctica each September was slightly above average size 2018, as NOAA…

The ozone hole formed in the upper atmosphere of Antarctica each September was slightly above average size 2018, as NOAA and NASA researchers reported. Fewer than average temperatures in the Antarctic stratosphere created ideal conditions for destroying ozone this year, but decreasing levels of ozone depleting chemicals prevented the hole from being as large as …

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