From the 20th century the warming of the air is continously strenghtening.The deforestation and the desertification also help the warming of the air because CO2 in 50% is responsible for global warming.
The role of the ozone layer is decisive because if the ozone
layer hurts the ultraviolet radiation can reach the earth’s surface which
destruct human beings.
The rarefaction (ritkulás) of the ozone layer is caused by
the use of the CFC whick we call freon.We can find freon in refrigirators,air
conditions,sprays.The rise up to the stratosphere and they begin to split
(bont) the ozone and they disturb the balance of ozone formation and ozone
splitting (ózon lebontás).These materials reach the layer very slowly.
Mainly the big towns and the industrial regions are
responsible for the destruction of the ozone layer.
For saving the ozone layer there are international collaborations
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