Chlorofluorocarbons - CFCs
The stratospheric ozone layer
which exists about
30 miles above the earth, shields the earth's
dangerous solar ultraviolet radiation.
Manmade chemicals such as chlorofluorocarbons break ozone down,
rendering it useless for screening deadly ultraviolet radiation and increasing the level of ultraviolet radiation striking the surface of the earth.
This can result in a variety of adverse health effects for
people, such as skin cancer, cataracts, and weakened immune
systems, as well as other problems such as reduced
agricultural crop yields.
August 04, 2014