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Ozone Depleasion TimeLine

By billytheman
  • CFC's were invented

    CFC's were invented

    “Wonder gas” CFCs were invented in 1928
    for commercial applications. Used in the manufacture of aerosol sprays, blowing agents for foams and packing materials, as solvents, and as refrigerants.
  • CFC's were killing the ozone layer

    CFC's were killing the ozone layer

    Scientists discover a link between CFCs
    and ozone layer depletion. If the ozone layer depletes, more harmful UV-B radiation will reach the earth through the damaged ozone layer.
  • UN fights to protect the ozone layer

    UN fights to protect the ozone layer

    In 1981, UNEP starts inter-governmental negotiations
    to protect the ozone layer.
  • Scientists find proof of Ozone depleasion

    Scientists find proof of Ozone depleasion

    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.
  • No more to CFC's

    No more to CFC's

    “Parties agree to completely phase out CFCs by the year 2000,