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Climate 101: Ozone Depletion | National Geographic
Far above Earth's surface, the ozone layer helps to protect life from harmful ultraviolet radiation. Learn what CFCs are, how they have contributed to the ozone hole, and how the 1989 Montreal Protocol sought to put an end to ozone depletion. Subscribe: https://on.natgeo.com/4p5A0D6 About National Geographic: National Geographic is the world's ...
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