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The ozone layer was discovered
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ozone layer comes from the exposure of the sun
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around this time they figurted that the ozone has different layers to it
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Peopl figure out that the ozone layer is important because it protect the living organism on the earth's surfaces
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reseachrches notice something was wrong wit hthe stratosphere in the 1970's
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Chlorine gets to the air by when contacted with rays by CFC, which breaks into chlorine which starts breaking the molecules of the ozone
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in 1987 scienctist signed Montreal Protocol to reduce the ozone layer and try to rduce around the 2000's came around
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in the 1994 ozone layer lost half of its value
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scientists firgure there are 4 causes of the depletion of the ozone one is isolating the air due to the formation of the polar
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from the averages of the October from 1980-1991, show the ozone layer has been depleted
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scientists thought that the realease of the CFC was going reduce the ozone that protets us
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When hot weathers return the polar vortex, it causes the active chlorine to destroy the ozone