Jam packed issues filled with the latest cutting-edge research, technology and theories delivered in an entertaining and visually stunning way, aiming to educate and inspire readers of all agesgrows and retreats each year, so does the ozone hole above the continent. And this year, that hole has grown a lot. indicate the ozone hole reached approximately 10 million square miles in area on Sept. 16, 2023 — making it one of the largest seasonal holes ever observed.
Ozone is a naturally occurring gas, and there's a layer of it in the stratosphere that protects us from theultraviolet, or UV, rays. In 1985, a hole in the ozone layer was discovered above Antarctica — and later connected to human use of carbon-depleting substances. Since then, we've banned the use of those substances and have been monitoring the hole's size.
The ozone hole above Antarctica opened early this year. Huge Tonga undersea volcano eruption may be to blame The ozone hole still grows and shrinks seasonally, however, due to temperature changes and wind conditions in the stratosphere, reaching a maximum between mid-September and mid-October.
Yet despite experiencing large seasonal growth this year, the ozone hole is still decreasing in size overall."Based on the Montreal Protocol and the decrease of anthropogenic ozone-depleting substances, scientists currently predict that the global ozone layer will reach its normal state again by around 2050," said Claus Zehner, ESA's mission manager for Copernicus Sentinel-5P.
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