Global summit to strike deal on phase-out of HFCs

Meeting in Rwanda seeks amendment to Montreal protocol to eliminate manufacture of the chemicals used in fridges, air conditioners and inhalers
Governments will address the law of unintended consequences when they meet this week to revise a global treaty and try to eliminate the use of a group of greenhouse gases used in fridges, inhalers and air conditioners.
Hydrofluorocarbons (HFCs) were hailed as the answer to the hole in the ozone layer which appeared over Antarctica in the 1980s because th