A new MIT study confirms that the ozone hole over Antarctica is healing, thanks to global efforts to reduce ozone-depleting substances, with full recovery possible in the next decade.
After years of uncertainty and promise, it’s now confirmed: the ozone hole over Antarctica is recovering, thanks to global efforts to reduce ozone-depleting substances. A new study led by scientists at MIT shows, with high statistical certainty, that the ozone layer is healing as a direct result of efforts to reduce these harmful substances, not due to natural weather variability.
While there has been mounting evidence pointing to this recovery, this is the first study to quantify and confirm it with 95% confidence. Susan Solomon, a study author and prominent atmospheric chemist at MIT, expressed her optimism: "This is the first study that has quantified confidence in the recovery of the ozone hole... and it shows that we can solve environmental problems."
The ozone layer, located 15 to 30 kilometers above Earth’s surface, acts as a protective shield against harmful ultraviolet rays from the sun. In the 1970s and '80s, scientists discovered a significant hole forming over Antarctica, primarily caused by chlorofluorocarbons (CFCs). These compounds, used in aerosols, solvents, and refrigerants, released chlorine atoms in the stratosphere, breaking down ozone molecules.
Antarctica’s extreme cold temperatures and unique atmospheric conditions caused a more intense depletion of the ozone layer, especially during the Southern Hemisphere's spring. Susan Solomon was one of the first scientists to gather crucial evidence of this depletion in 1986. This led to the Montreal Protocol in 1987, where 197 countries and the EU committed to phasing out ozone-depleting substances like CFCs.
For years, scientists noticed the ozone hole was shrinking, but the unpredictable variability of the atmosphere made them cautious in confirming the recovery. With 15 years of data now at hand, researchers are confident that the ozone layer is indeed bouncing back. If the current trend continues, scientists predict the ozone layer could fully recover in around 10 years.
Solomon remains hopeful: "By 2035, we might see a year with no ozone hole at all. It will be exciting, and some of you will witness this recovery in your lifetimes. And that is something humanity achieved together."
Iran on Saturday denounced U.S. plans to announce new sanctions that could put further strain on the Islamic Repub...
Nordic and Baltic leaders arrived in Kyiv for Ukraine’s Flag Day on Sunday as Russia continued its drone campaign and Kyiv warned of a potent...
Syria expects negotiations with Israel over a security agreement to resume soon despite deep mistrust between the two sides, Syrian Foreign Ministe...
Russia is open to listening to new proposals on how to reach a settlement on the Ukraine conflict, a senior Russian diplomat said, but any proposals should reflect the "realities on the ground".
Iran on Saturday denounced U.S. plans to announce new sanctions that could put further strain on the Islamic Republic's economy and have an impact on its most important trading partners including China.
A large-scale drone attack has hit Russia's Samara region, damaging facilities and disrupting operations at an Ozon logistics complex, according to regional authorities and the company.
U.S. President Donald Trump said Iran was not ready to make what he called the "right deal" with Washington as tensions persisted over the war and the Strait of Hormuz.
Nordic and Baltic leaders arrived in Kyiv for Ukraine’s Flag Day on Sunday as Russia continued its drone campaign and Kyiv warned of a potential new Russian mobilisation.
A wildfire in Croatia driven by strong winds descended on the tourist town of Omis overnight, engulfing houses, forcing about 1,000 people to evacuate to safety and injuring dozens, fire brigade and health officials said on Friday.
Rhossi, a rare Kemp’s ridley sea turtle that washed up near death on a Welsh beach in 2023, has returned to Texas after more than two years of rehabilitation in the UK.
Glacier coverage in Kyrgyzstan’s Issyk-Kul Basin has shrunk by 33.7 per cent over the past 70–90 years, according to an updated glacier inventory by Kyrgyzhydromet. The agency says the pace of glacier retreat has accelerated sharply in recent years.
Extreme heat and historically low river levels are forcing nuclear power plants across Southeast Europe to reduce production, increasing pressure on already stretched electricity supplies and prompting governments to call for lower consumption.
Flash floods in Gansu Province in China's northwest last week killed 25 people and injured 23 more, the official Xinhua news agency reported on Sunday, raising earlier death tolls.
You can download the AnewZ application from Play Store and the App Store.
What is your opinion on this topic?
Leave the first comment