A new hole has opened up in the ozone layer — but it's not where scientists would expect to find it. The huge hole has been spotted in the Arctic, on the other side of the planet from the infamous ...

It's been 40 years since groundbreaking research announced the discovery of a hole in the ozone layer, a revelation that launched a rapid and successful effort to ban chemicals in hairspray, deodorant ...

DENVER (AP) — Earth’s protective ozone layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctica in about 43 years, a new United Nations report says. A once-every ...

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.

If you live in Denver, Boulder, or anywhere along Colorado’s northern front range, you’ve likely had to deal with some pretty terrible air quality this summer. Many of us habitually check our phones ...