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Antarctic Ozone Hole Recovery Trends
March 26 , 2024
34 days
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- The ozone hole over the Antarctic has not only grown larger but also thinner throughout most of the spring.
- Despite making a recovery in area and depth since the 2000s, the Antarctic ozone hole has been massive in the last four years.
- There is much less ozone in the centre of the ozone hole compared to 19 years ago and may take longer to recover.
- The hole averaged 23.1 million square kilometres, approximately the size of North America, making it the 16th largest over this period.
- The Montreal Protocol on Ozone Depleting Substances quadrennial assessment report of 2022 confirmed the phase-out of nearly 99 per cent of banned ozone-depleting substances.
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