Hydrofluorocarbon (HFC) gases are set to be phased out under a historic international deal that experts say could do a huge amount to curb global warming. What are they? HFCs are part of a family called F-gases, which have fluorine as a common component. They are mainly used in refrigeration, air conditioners and aerosols. They are cousins of chlorofluorocarbons (CFCs) -- a notorious substance that depletes the ozone layer, the thin gaseous shield that protects life on Earth from dangerous solar rays. Why are they being…
Here are some facts obtained from the official website of the United Nations Environment Programme (UNEP).