As explained above, the primary cause of ozone depletion is the presence of
chlorine-containing source ...
The Causes of Ozone Depletion. Scientific evidence indicates that stratospheric
ozone is being destroyed by a group of manufactured chemicals, containing ...
Causes and Effects of Ozone Hole: Ozone layer is important because it prevents
too many harmful ultra violet rays from reaching earth. Ultra violet rays have the ...
What Causes Ozone Depletion? The ozone in the ozone layer is being broken
down by chlorine atoms from chlorofluorocarbon (CFC) molecules and bromine ...
Ozone depletion occurs when the natural balance between the production and ...
Although natural phenomena can cause temporary ozone loss, chlorine and ...
Jan 20, 2010 ... There are two different types of ozone depletion, both are very similar. The first
one has been a slow, but steady ozone depletion of 4% per ...
Cover of Scientific Assessment of Ozone Depletion: 1998, Executive Summary ...
a number of ways, but ozone depletion is not a major cause of climate change.
Learn about the causes and effects of Ozone Depletion at National Geographic,
and what you can do to help.
Welcome to EPA's ozone layer protection web area. The ozone layer is Earth's “
sunscreen” – protecting living things from too much ultraviolet radiation.
Human activities cause the emission of halogen ... has been global ozone
depletion, with the greatest losses ... are not the cause of observed ozone