July 12, 2002, Newsletter Issue #25: Threat to the Ozone
Tip of the Week
The ozone layer protects the Earth from harmful ultraviolet radiation and ozone depletion is believed to contribute to high rates of skin cancer in countries like Australia. It was hoped that the Montreal Protocol in 1987, which restricted the release of man-made pollutants such as chlorofluorocarbons (CFCs), would lead to a recovery of the ozone layer by 2050. But recent investigations suggest the problem may be on a much larger scale than previously thought.
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