-
CFCs invented
“Wonder gas” CFCs were invented in 1928
for commercial applications. -
UNEP Get Involved
“In 1977, the United Nations Environment Programme (UNEP)
sets up a co-ordinating committee to study the ozone layer.” -
Countries Begin to Ban Some CFCs
“In 1978, the United States of America, Canada,
Sweden and Norway ban the use of CFCs in aerosols.” -
UNEP Starts Inter-government
“In 1981, UNEP starts inter-governmental negotiations
to protect the ozone layer.” -
Evidence found
“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.” -
Sever thinning in the Ozone layer
“The British Antarctic Team discovers severe thinning in the ozone
layer over Antarctica - the ozone hole.” -
Protocol on substances that deplete the Ozone layer
“In 1987, 46 governments agree to a fifty per cent cut in the
production and consumption of CFCs by the year 2000; a freeze
in production and consumption of halons by 1992; further
controls linked to assessments by experts.” -
UNEP-WMO report
“In 1988, the UNEP - WMO report on ozone
trends links CFCs to ozone depletion.” -
UNEP Assessment Panel
“In 1989, the UNEP Assessment Panel of experts reports
THE NEED for tougher controls.” -
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.” -
Copenhagen 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.” -
The meeting of Parties agree
“In 1993, the Meeting of the Parties, held in Bangkok, agrees to a
replenishment of the Multilateral Fund - US$455 million for 1994 - 1996.”