New! Sign up for our free email newsletter.
Reference Terms
from Wikipedia, the free encyclopedia

Ozone layer

The ozone layer is the part of the Earth's atmosphere which contains relatively high concentrations of ozone (O3). "Relatively high" means a few parts per million - much higher than the concentrations in the lower atmosphere but still small compared to the main components of the atmosphere.

Note:   The above text is excerpted from the Wikipedia article "Ozone layer", which has been released under the GNU Free Documentation License.
Related Stories
 


Earth & Climate News

May 12, 2025

A new study of the 28 most populous U.S. cities finds that all are sinking to one degree or another. The cities include not just those on the coasts, where relative sea level is a concern, but many in the interior. Furthermore, using newly granular ...
Climate scientists reveal that millions of today's young people will live through unprecedented lifetime exposure to heatwaves, crop failures, river floods, droughts, wildfires and tropical storms under current climate policies. If global ...
Biologists have discovered two previously unknown species of crocodiles, one living on the island of Cozumel and the other on the atoll of Banco Chinchorro, both off the Yucat n Peninsula. The findings challenge long-held assumptions about the ...
Animal research on biomusicality, which looks at whether different species are capable of behaving in ways that show they recognize aspects of music, including rhythm and beat, remains a tantalizing ...

Latest Headlines

updated 12:56 pm ET


OSZAR »