Learn more about the ozone hole, how it was created, how it was healed, and what message it offers about climate change.

The same phenomenon that causes aurorae — the magical curtains of green light often visible from the polar regions of the Earth — causes mesospheric ozone layer depletion. This depletion could have ...

In a revelation highlighting the fragile balance of our planet's atmosphere, scientists have uncovered an unexpected link between massive wildfire events and the chemistry of the ozone layer. Using ...

During summers in Denver, electronic billboards on the side of the highway often let people know that the state health department has declared an ozone action alert day. But what that means isn’t ...