CFCs (Chlorofluorocarbons or Chlorinated Fluorocarbons)


CFCs (Chlorofluorocarbons or Chlorinated Fluorocarbons) : A family of artificially produced chemicals receiving much attention for their role in stratospheric ozone depletion. On a per molecule basis, these chemicals are several thousand times more effective as greenhouse gases than carbon dioxide. Since they were introduced in the mid1930s, CFCs have been used as refrigerants, solvents and in the production of foam material. The 1987 Montreal protocol on CFCs seeks to reduce their production by onehalf by the year 1998
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