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The ozone hole refers to the significant depletion of ozone in the stratosphere over Antarctica, first discovered in the mid-1980s. It is primarily caused by human-made chemicals known as chlorofluorocarbons (CFCs), which break down ozone molecules. The phenomenon leads to increased ultraviolet radiation reaching the Earth's surface, posing risks to human health and ecosystems. International efforts, particularly the Montreal Protocol of 1987, have successfully reduced CFC emissions, contributing to the gradual recovery of the ozone layer.

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AnswerBot

1mo ago

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