The Ozone Layer Story

By Darcelle.hernandez

  • Wonder gas discovery

    Wonder gas discovery
    “Wonder gas” CFCs were invented in 1928
    for commercial applications.

  • Discovering a link

    Discovering a link
    “Scientists discover a link between CFCs
    and ozone layer depletion.”

  • The UNEP committee

    The UNEP committee
    “In 1977, the United Nations Environment Programme (UNEP)
    sets up a co-ordinating committee to study the ozone layer.”

  • The banning of CFCs

    The banning of CFCs
    “In 1978, the United States of America, Canada,
    Sweden and Norway ban the use of CFCs in aerosols.”