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September's Ozone Hole Was the Largest in 25 Years
Original: September's Ozone Hole Was the Biggest It Has Been in 25 Years https://www. smithsonianmag.com/smart-news/ septembers-oz
This September's ozone hole over Antarctica grew to its largest extent in a quarter century, according to a Smithsonian Magazine report drawing on atmospheric monitoring data. Scientists note that despite decades of recovery since the Montreal Protocol phased out ozone-depleting chemicals, annual fluctuations in the hole's size still occur, driven by factors such as cold polar temperatures and volcanic aerosols. The finding has prompted renewed attention to ozone-layer recovery timelines.
Why now: New monitoring data shows the Antarctic ozone hole reached its largest September size in 25 years, raising questions about the pace of ozone recovery.
Antarcticaozone holeMontreal ProtocolSmithsonian Magazine
Evidence
- September's Ozone Hole Was the Biggest It Has Been in 25 Years https://www. smithsonianmag.com/smart-news/ septembers-ozone-hole-was-the-biggest-it-has-been-in-25-years-180989657/ # science · ScienceScholar · 7
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