OzoNews Volume XXI - 15 December 2021

In this issue:

1. Kigali Amendment latest ratifications
2. Status of Patents and Legal Challenges: Patents Related to The use of HFO-1234yf in Auto Air Conditioning
3. 14 Nations Commit to Improving Appliance Efficiency
4. New source of potent greenhouse gas emissions identified in permafrost
5. Vanuatu ODS module launched!
6. Philippines Targets 80% Reduction in HFC Use by 2045
7. China consults on a draft list of alternatives to HCFCs
8. Asia-Pacific launch a year-long Ozone2Climate Art Contest
9. ¿Tenemos los refrigerantes del futuro?
10. EarthTalk – Have the benefits of protecting the ozone layer been calculated?
11. “Heat Pumps to Save the World”
12. EU remains on track to phase-down use of climate-damaging F-gases