In this issue: 1. Emergence of ozone recovery evidenced by reduction in the occurrence of Antarctic ozone loss saturation 2. Advancing nationally determined contributions (NDCs) through climate-friendly refrigeration and air conditioning: Guidance for policymakers 3. Conclusions of the "Technical report on energy efficiency in HFC-free supermarket refrigeration" 4. NEW OzonAction smartphone application: Good Servicing: Flammable Refrigerants Quick Guide 5. NEW OzonAction smartphone application: Refrigerant Identifier Video Series ...