More than 150 countries have reached a deal described as “monumental” to phase out gases that are making global warming worse. Hydroflurocarbons (HFCs) are widely used in fridges, air conditioning and aerosol sprays. Delegates meeting in Rwanda accepted a complex amendment to the Montreal Protocol that will see richer countries cut back their HFC use from 2019. But some critics say the compromise may have less impact than expected. Three-way deal US Secretary of State John Kerry, who helped forge the deal in a series of meetings in the Rwandan…
Read MoreClimate change: ‘Monumental’ deal to cut HFCs, fastest growing greenhouse gases
