The Antarctic ozone hole is shown here, as it was measured on October 7, 2021. Also visible on the map are thin regions of the ozone layer farther north, in the mid-latitudes. (NOAA Climate.gov) ...

CFCs didn't just eat the ozone layer, they were also powerful greenhouse gases, and by eliminating them, we've avoided significant climate warming.

In the 1970s and 80s, a series of pioneering experiments showed that CFCs were destroying ozone in the earth’s stratosphere and, in particular, creating a gaping hole in the layer above Antarctica.

The annual hole in Earth's ozone layer closed at the beginning of this month, scientists recently announced. This year's hole in the layer was smaller in 2024 than we’ve seen in any other year ...

Earth’s protective ozone layer is finally healing from damage caused by aerosol sprays and coolants, a new United Nations report said. The ozone layer had been thinning since the late 1970s.

The purple and blue colors are where there is the least ozone, and the yellows and reds are where there is more ozone. The hole in the ozone layer was discovered 40 years ago, in May 1985.© NASA ...

At its largest point this year the ozone layer hole was 8.5 million square miles (22.4 million square kilometres) on September 28. This is 1.5 million square miles smaller than the peak size in 2023 ...

The ozone layer sits toward the bottom of the stratosphere, roughly 20 to 40 kilometers (66,000 and 131,000 feet) above the ground.

Periods of extreme heat often lead to increased exposure to ground-level ozone, in addition to other negative effects. This ...

The hole in the Earth's protective ozone layer above Antarctica will be very big this year — and it will be big again in 2020 — contrary to previous predictions, argues a Canadian researcher.