-
“Wonder gas” CFCs were invented in 1928
for commercial applications. -
"In 1977, the United Nations Environment Programme (UNEP) sets up a co-ordinating committee to study the ozone layer."
-
"In 1978, the United States of America, Canada, Sweden and Norway ban the use of CFCs in aerosols."
-
"In 1981, UNEP starts inter-governmental negotiations to protect the ozone layer."
-
"After 1982, in the absence of other moves, the consumption of CFCs increases again. Industry demands proof of ozone depletion due to CFCs."
-
"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."
-
"The British Antarctic Team discovers severe thinning in the ozone layer over Antarctica - the ozone hole."
-
"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."
-
"In 1988, the UNEP - WMO report on ozone trends links CFCs to ozone depletion."
-
"In 1989, the UNEP Assessment Panel of experts reports THE NEED for tougher controls." London Amendment -1990
-
"Parties agree to completely phase out CFCs by the year 2000, and to establish a Multilateral Fund to assist developing countries. US$ 240 million was allocated for 1991 - 1993."
-
UNEP Assessment Panels recommend that more substances (HCFCs, methyl bromide) are controlled and that the phase out of CFCs is advanced."
-
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."
-
"In 1993, the Meeting of the Parties, held in Bangkok, agrees to a replenishment of the Multilateral Fund - US$455 million for 1994 - 1996."
-
"Halons are phased out by industrialized countries. UNEP Assessment Panels recommend tougher controls on methyl bromide."
-
"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."
-
"The Meeting of the Parties held in Costa Rica, approves the replenishment of the Multilateral Fund and gives US$466 million for 1997 - 1999."
-
Industrialized countries
-
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."
