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Ozone layer - Wikipedia
The Ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation. It contains high concentrations of ozone (O 3) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere.The ozone layer contains less than 10 parts per million of ozone, while the average ozone concentration in Earth ...

Ozone Layer Protection | US EPA
The stratospheric ozone layer is Earth’s “sunscreen” – protecting living things from too much ultraviolet radiation from the sun. The emission of ozone depleting substances has been damaging the ozone layer.

What is the ozone layer? - Weather Questions
What is the ozone layer? The ozone layer is a deep layer in the stratosphere, encircling the Earth, that has large amounts of ozone in it.The layer shields the entire Earth from much of the harmful ultraviolet radiation that comes from the sun.

Ozone layer - Simple English Wikipedia, the free encyclopedia
The ozone layer is a layer of ozone high up in the Earth's atmosphere stratosphere.In the region between about 10 kilometres and about 50 kilometres above ground, the atmosphere contains more ozone (O 3).The exact amount of ozone that can be found varies, the seasons influence it; it is also different in different places on the Earth. This layer can absorb between 93 and 99 per cent of the ...

What is the Ozone layer and where is it located?
The Ozone Layer This is simply a layer in the stratosphere containing a relatively high concentration of ozone. The earth's atmosphere is divided into several layers, and each layer plays an important role.

Ozone Layer | Definition of Ozone Layer by Merriam-Webster
A couple months ago, an atmospheric study revealed that someone had started producing an ozone-depleting pollutant that had been banned under an international agreement to protect the ozone layer. — Scott K. Johnson, Ars Technica, "Sources of banned CFCs found through their advertising," 9 July ...

Ozone depletion - Wikipedia
Ozone depletion describes two related events observed since the late 1970s: a steady lowering of about four percent in the total amount of ozone in Earth's atmosphere (the ozone layer), and a much larger springtime decrease in stratospheric ozone around Earth's polar regions. The latter phenomenon is referred to as the ozone hole.There are also springtime polar tropospheric ozone depletion ...

The Ozone Hole
CFCs. Chlorofluorocarbon (CFC) is an organic compound that contains carbon, chlorine, and fluorine, produced as a volatile derivative of methane and ethane.