Montreal Protocol

By Rita Coutinhas

  • 1970's

    Ozone-depleting properties of CFCs recognized. USA and Sweeden banned them from non-essential aerosol uses

  • 1985

    British Antarctic Survey reports ozone hole

  • 1987

    This was organized by the UNEP, 30 countries - half CFCs emissions by 2000

  • 1990

    London amendment strengthen it by making industrialized countries eliminate CFCs by 2000 and developing countries by 2010

  • 1992

    Measures to accelerate phasing out of ODS + replacement by substitute chemicals

  • 1995

    Nobel prize for chemistry for those solving the ozone depletion issue

  • 2006

    NASA + NOAA record the hole in the ozone as the largest yet

  • 2012

    25th anniversary of protocol