This year’s “State of the Air” Report found that ground-level ozone pollution is getting worse – strikingly worse. This ...

A new study warns that burning up thousands of old satellites yearly could release aluminium and other metals into the upper ...

Scientists Find a Human 'Fingerprint' in the Upper Troposphere's Increasing ... levels in the atmosphere of chemicals that destroy Earth's ozone layer, confirming the success of historic regulations ...

The thousands of satellites operated by companies from Starlink to Telesat will eventually burn up in the atmosphere when ...

Atmospheric physicists Paul Newman and Luke Oman built a simulation of the Earth ... ozone hole has stabilized, there have been other promising signs. In the past decade, researchers found that the ...

Discover how human activities have increased the amount of ground level ozone, an invisible, highly irritating gas that forms just above the earth’s surface, to a level that is harmful to life on our ...

Ozone is a gas composed of three atoms of oxygen, according to the Environmental Protection Agency. It occurs both in the Earth's upper atmosphere and at ground level and can be "good" or "bad ...

Ozone, a variant of oxygen, occurs at ground level as well as in the upper atmosphere. Formed naturally, the ozone in the stratosphere helps filter out harmful ultraviolet rays that are a part of ...