New Delhi, Sept. 16 -- Summary WMO Bulletin finds ozone hole in 2024 was smaller than in recent years.

Global action under Montreal Protocol has phased out 99% of ozone-depleting substances.

Ozone layer projected to return to 1980 levels by mid-century.

Recovery already visible, with delayed onset and faster healing over Antarctica.

Scientists warn continued monitoring remains vital.

The Earth's protective ozone layer is healing, according to a new report from the World Meteorological Organization (WMO). The ozone hole in 2024 was smaller than in recent years and is now on track to return to 1980 levels by the middle of this century.

The WMO's Ozone Bulletin, released on World Ozone Day on September 16, highlighted that the long-ter...