Article from 17.09.2009 | Last changed: 22.07.2020
Climate and greenhouse effect
… Entirely new substances such as chlorofluorocarbons (CFC), halons (molecule contains bromine atoms), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and … Entirely new substances such as chlorofluorocarbons (CFC), halons (molecule contains bromine atoms), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and …