Ozone 101: What Is the Ozone Hole?

The video explains the importance of the ozone layer in protecting Earth from harmful UV radiation. It details the factors leading to ozone depletion, such as the polar vortex and CFCs, and the formation of the ozone hole over Antarctica. The history of CFCs, their impact on the ozone layer, and the global response through the Montreal Protocol are discussed. Despite the protocol's success, the ozone hole persists due to the long lifespan of CFCs. The video concludes with an outlook on the gradual recovery of the ozone layer, expected by 2070.

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