The hole in the Antarctic ozone layer has been getting deeper in mid-spring over the last two decades, despite a global ban on chemicals that deplete Earth's shield from deadly solar radiation, new research suggested Tuesday.
Environment
Nov 25, 2023
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Despite public perception, the Antarctic ozone hole has been remarkably massive and long-lived over the past four years, University of Otago researchers believe chlorofluorocarbons (CFCs) aren't the only things to blame.
Earth Sciences
Nov 21, 2023
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After years of discussion, international negotiations on a global plastics treaty resume this week in Nairobi, Kenya, at the UN Environment Programme headquarters.
Environment
Nov 13, 2023
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The 2023 Antarctic ozone hole reached its maximum size on Sept. 21, according to annual satellite and balloon-based measurements made by NASA and NOAA. At 10 million square miles, or 26 million square kilometers, the hole ...
Earth Sciences
Nov 4, 2023
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With last year's undersea volcano injecting massive amounts of water high into the atmosphere, scientists were bracing for a big Antarctica ozone hole this fall. But it didn't happen.
Earth Sciences
Nov 1, 2023
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Measurements from the Copernicus Sentinel-5P satellite show that this year's ozone hole over Antarctica is one of the biggest on record. The hole, which is what scientists call an "ozone depleting area," reached a size of ...
Planetary Sciences
Oct 5, 2023
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In the past, they were found in every refrigerator and aerosol until it was discovered that they had ripped a hole in the ozone layer protecting Earth's atmosphere: chlorofluorocarbons, in short CFCs.
Earth Sciences
Jul 21, 2023
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According to a new study published in Advances in Atmospheric Sciences, the ozone isn't healing as quickly as expected, leading to higher levels of surface ultraviolet (UV) radiation in recent years.
Environment
Jun 1, 2023
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An international team of climate scientists has used climate models to show that some very short-lived substances are partially to blame for ozone depletion over the tropics. In their paper published in the journal Nature ...
A 1987 global deal to protect the ozone layer is delaying the first ice-free Arctic summer by up to 15 years, new research shows. The paper, published in the journal Proceedings of the National Academy of Sciences, is entitled ...
Earth Sciences
May 22, 2023
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