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Ozone Layer on Track to Rebound by Mid-Century, WMO Reports
- On September 16, 2025, the United Nations and the World Meteorological Organization released the Ozone Bulletin 2024, noting that the Antarctic ozone hole was reduced in size compared to previous years.
- This improvement follows decades of international efforts beginning with the 1975 Vienna Convention and the 1987 Montreal Protocol that targeted phasing out ozone-depleting substances widely used in refrigeration and aerosol sprays.
- The bulletin reported that in September 2024, the Antarctic ozone hole developed more slowly and showed delayed depletion, reaching a peak deficit equivalent to 46.1 million tonnes less ozone than the 1990–2020 average, signaling early signs of the ozone layer’s recovery.
- UN Secretary-General Antonio Guterres stated, "The ozone layer is healing today," and WMO Secretary-General Celeste Saulo noted, "This is no coincidence," reflecting the success of global cooperation and scientific guidance.
- If current regulations continue unchanged, the ozone layer is expected to return to its 1980 levels by around 2066 over Antarctica, which could lead to a decrease in UV-related health issues and environmental harm globally.
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Good news for humans and planets: The hole in the protective ozone layer over the Earth continues to shrink, as was announced on World Ozon Day.
·Bonn, Germany
Read Full ArticleOzone hole filling up, WMO says Earth could regain 1980s levels of protective shield by mid-century
The Earth's protective ozone layer is on track to return to 1980s levels by the middle of this century as a result of corrective steps taken over decades, reducing risks of skin cancer, cataracts, and ecosystem damage, according to the World Meteorological Organization (WMO).
·Mumbai, India
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Total News Sources78
Leaning Left6Leaning Right12Center17Last UpdatedBias Distribution49% Center
Bias Distribution
- 49% of the sources are Center
49% Center
L 17%
C 49%
R 34%
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