CFCs Invented

By vincent.godinez

  • ozone layer

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

  • ozone

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

  • ozone

    “In 1981, UNEP starts inter-governmental negotiations
    to protect the ozone layer.”

  • ozone

    “The British Antarctic Team discovers severe thinning in the ozone
    layer over Antarctica - the ozone hole.”

  • ozone

    The Montreal Protocol on Substances
    that Deplete the ozone Layer – 1987

  • ozone

    “In 1988, the UNEP - WMO report on ozone
    trends links CFCs to ozone depletion.”

  • ozone

    “In 1989, the UNEP Assessment Panel of experts reports
    THE NEED for tougher controls.”