Ozone omi 2014256

Ozone Layer

By Duaah.Wadi

  • CFC's Invented

    CFC's Invented
    "Wonder Gas" CFC's were nvented in 1928 for commercial applications.

  • Scientists discover CFC's are causing the Ozone to become thinner.

    Scientists discover CFC's are causing the Ozone to become thinner.
    Scientists discovered a connection between CFC's and the depletion of the Ozone.

  • UNEP gets involved

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

  • Some countries begin to ban use of CFC's.

    Some countries begin to ban use of CFC's.
    “In 1978, the United States of America, Canada,
    Sweden and Norway ban the use of CFCs in aerosols.”

  • UNEP starts Inter-Govermental Negotiations

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

  • Viennna begins a convention for protection of the Ozone.

    Viennna begins a convention for protection of the Ozone.
    “Governments agree to study, exchange information and
    protect the ozone layer - through the Vienna Convention for the
    Protection of the Ozone Layer (1985). Scientists continue to find
    proof of ozone depletion.”

  • UNEP and WMO get together to study Ozone depletion

    UNEP and WMO get together to study Ozone depletion
    “In 1988, the UNEP - WMO report on ozone
    trends links CFCs to ozone depletion.”

  • UNEP Panel Experts

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

  • London Amendment

    London Amendment
    “Parties agree to completely phase out CFCs by the year 2000,
    and to establish a Multilateral Fund to assist developing coun-
    tries. US$ 240 million was allocated for 1991 - 1993.”

  • UNEP Assesment Panels

    UNEP Assesment Panels
    “UNEP Assessment Panels recommend that more substances
    (HCFCs, methyl bromide) are controlled and that the phase out
    of CFCs is advanced.”

  • Copenhageen Amendment

    Copenhageen Amendment
    “In 1992, it was decided that the developed countries phase out
    HCFCs by 2030, freeze methyl bromide by 1995 and that the
    phase out of CFCs be brought forward to 1996.”

  • Meeting of the parties

    Meeting of the parties
    “In 1993, the Meeting of the Parties, held in Bangkok, agrees to a
    replenishment of the Multilateral Fund - US$455 million for 1994 - 1996.”

  • Some countries report an inibility to phase ot CFC's

    Some countries report an inibility to phase ot CFC's
    “Some countries, the Russian Federation and others, report an
    inability to phase out CFCs by 1996 due to their internal problems.
    The Global Environment Facility (GEF) offers to help them.
    Developing countries agree to phase out methyl bromide by 2010.”

  • Meeting of Parties

    Meeting of Parties
    “The Meeting of the Parties held in Costa Rica, approves the
    replenishment of the Multilateral Fund and gives US$466 million
    for 1997 - 1999.

  • Montreal Amendment

    Montreal Amendment
    “Industrialized countries agree to phase out methyl bromide by
    2005. Developing countries will phase out the same by 2015.“Licensing for the import and export of CFCs was introduced.””

  • Ozone meetings

    Ozone meetings
    The Ozone meetings in Beijing in December 1999 approved a
    replenishment of the Multilateral Fund of US$ 440 million for the years2000-2002 for continuing the phase-out of CFCs, in addition to the carry-over of US$ 35.7 million from the previous period.

  • Meeting of the Parties-Beijng

    Meeting of the Parties-Beijng
    The 11th Meeting of the Parties in Beijing banned
    bromochloromethane, (a new ozone-depleting chemical)
    and put controls on production of HCFCs and trade in HCFCs
    with non-Parties.The Beijing Declaration (December 1999) reiterated thecommitment of all Governments to continue full implementationof the Montreal Protocol and ensure the protection of the Ozone layer.