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.”