CNN — The Arctic's ozone layer developed a tear, which grew into a hole, and then a bigger hole. Now, it may be biggest hole the North Pole's ozone layer has ever incurred. This hole in the Arctic ...

Unlike the hole that developed over the Arctic, the Antarctic ozone hole in the Southern Hemisphere is typically caused by chemicals such as chlorine and bromine migrating into the stratosphere. This ...

If there is one piece of good news regarding our planet's future, it's our ozone layer and the ongoing shrinking of its hole. In an update on the latest status of the hole in Earth's ozone layer, the ...

The Earth's protective ozone layer is on track to fully recover by mid-century, according to a UN report released Tuesday. The bulletin hailed the success of international agreements like the Montreal ...