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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
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
In 1981, UNEP starts inter-governmental negotiations
to protect the ozone layer. -
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
“Parties agree to completely phase out CFCs by the year 2000,
