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TIL chemist Sherwood Rowland won the Nobel Prize for discovering that CFCs damage the ozone, which shields Earth from UV radiation. His work led to the Montreal Protocol, a global treaty to phase out CFCs, helping heal the ozone.
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Ozone layer scientist who 'saved the world' dies

F Sherwood Rowland won Nobel prize for raising the alarm over CFC gases destroying Earth's ultraviolet shield

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