100 countries push to phase out potentially disastrous greenhouse gas

Hydrofluorocarbons, commonly used in refrigerators and air conditioning systems, could add 0.5C to global temperatures by the end of the centuryA loose coalition of more than 100 countries, including the US and European nations, is pushing for an early phase-out of hydrofluorocarbons (HFCs), a powerful greenhouse gas that if left unchecked is set to add a potentially disastrous 0.5C to global temperatures by the end of the century. Related: Global coral bleaching event might become new normal, e