Recovering Ozone Layer
After the first discovery of “Ozone Layer” over the Antarctic and more recently over Arctic, groups meeting in Montreal this week are pushing forward for a phase-out of HCFCs (hydrochlorofluorocarbons) 10 years earlier than scheduled. This will reduce cumulatively 18 to 25 billion metric tons of carbon dioxide. HCFCs are now currently used in refrigerators and air-conditions instead of CFCs(chlorofluorocarbons). The aim is to recover Ozone layer to healthy pre-1980 levels. (more…)