The international treaty to protect the ozone layer turns 20 this year. But is there really much reason to celebrate? Environmentalists have made numerous apocalyptic predictions over the past several ...

As they circled the globe, massive plumes of smoke from the devastating Black Summer fires kickstarted changes in the atmosphere that may have caused a drop in ozone levels, a new study suggests.

The ozone layer that protects us from harmful ultraviolet radiation continues to thin over populated areas of the world, a new study warns. Scientists say the layer is in better shape, however, over ...

The recovery of the ozone layer — which sits miles above the Earth and protects the planet from ultraviolet radiation — has been celebrated as one of the world’s greatest environmental achievements.

Humankind will soon lose a great deal of vigilance over the ozone layer, which shields life on Earth from harmful solar radiation. The impending loss of NASA’s Aura and the Canadian Space Agency’s ...