Recently nations joined together to reduce hydofluorocarbon gases. HFC is considered one of the most potent greenhouse gas. It is times more potent than carbon dioxide the most well-known culprit quantifiednutrition in the increasing levels of greenhouse gases. The main use of HFC is refrigerants aerosols and foams. Countries, including the USA and China, have agreed to various deadlines to reduce the use of these gases produced as a .