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Ozone Timeline

By valerie.ramirez

  • CFC's Invented

    CFC's Invented
    "Wonder Gas" CFCs were invented
    for commercial applications.

  • UNEP

    UNEP
    the United Nations Environment Programme
    sets up a co-ordinating committee to study the ozone layer.”

  • CFC's Banned

    CFC's Banned
    the United States of America, Canada,
    Sweden and Norway ban the use of CFCs in aerosols.”