The Ozone Layer

The video explains the importance of the ozone layer in protecting Earth from harmful UV rays. It discusses the discovery of the ozone hole over Antarctica, primarily caused by CFCs used in aerosols and fridges. Although CFCs were banned in the 1990s, their effects persist for decades. The ozone layer is slowly recovering, but full repair will take time due to links with global warming. Protecting the ozone layer is crucial for life on Earth.

What role does the ozone layer play in protecting life on Earth?

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What significant discovery was made by scientists in 1985 regarding the ozone layer?

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What substances were found to be responsible for the depletion of the ozone layer?

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How long can ozone-depleting substances continue to cause damage after their emission?

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What actions have been taken to help the recovery of the ozone layer?

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