Quiet Miracles✓✓ 2 independent sources
The Kigali Amendment: phasing down HFCs
Richer economies like the European Union, the US and others will start to limit their use of HFCs within a few years and make a cut of at least 10% from 2019.
Meeting in Kigali, more than 170 countries agreed to phase down hydrofluorocarbons — refrigerant gases that replaced CFCs but turned out to be powerful warmers. Richer economies including the EU and US began cutting HFC use by at least 10% from 2019, with developing nations following on a staged schedule. The UN called it monumental: up to 0.5°C of warming avoided by 2100 while the ozone layer keeps healing.
In Rwanda, 170+ nations agreed a 'monumental' deal to phase out HFCs — cutting a whole class of warming gases.