In this issue: 1. Kigali Amendment latest ratification 2. Ever-evolving Montreal Protocol a model for environmental treaties 3. Climate emissions shrinking the stratosphere, scientists reveal 4. World Refrigeration Day announces theme of 2021 campaign 5. Phase Down of Hydrofluorocarbons Initiated by EPA 6. Stakeholder conference on the review of the rules on fluorinated greenhouse gases 7. One step forward, two steps back 8. Chemists close in on greener method for making fertilizer 9. Green Cooling Summit 2021: Germany opts for a rapid HFC phase-down