Time Line
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1930 | Chapman Mechanism |
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1971 | Fear of SST damage to Ozone layer |
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1974 | Molina proposes possible role of CFCs |
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1975 | Hole begins to form |
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1985 | Hole is discovered |
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1987 | Montreal Protocol |
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1994 | Contract with America |
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1995 | Nobel Prize |
| 1996 | Freeze | |
| 2004 | 35 % | |
| 2010 | 65 % | |
| 2015 | 90 % | |
| 2030 | all | |
Change in the chlorine content in the stratosphere up to the present and three different future scenarios: a) Without restrictions on release, b) Limitations according to the original Montreal Protocol of 1987 c) The release limitations now internationally agreed. (Chlorine content is a measure of the magnitude of ozone depletion.)
Flick's ozone page
