September's ozone hole was the biggest in 20 years
The area covered by the Antarctic ozone hole peaked at more than 27 million square kilometers (10.4 million square miles) in September, the second-largest area ever observed for this time of year.
The area covered by the Antarctic ozone hole peaked at more than 27 million square kilometers (10.4 million square miles) in September, the second-largest area ever observed for this time of year. This story matters for Science & Discovery readers tracking engineering. Reported by phys.org. Read the full original at the source link below.
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