In this issue: 1. Kigali Amendment latest ratifications 2. The Remarkable Story of the Montreal Protocol with Lessons for Cyberspace 3. Record High March 2024 Arctic Total Column Ozone 4. Mozambique: Govt Bans Refrigeration Equipment Harmful to Ozone Layer 5. Oman ratifies Kigali amendment to combat global warming 6. EPA Finalizes Rule to Accelerate American Leadership in Cutting Climate-Damaging Hydrofluorocarbons Used in Refrigeration and Air Conditioning Equipment 7. Financing the push to sustainable cooling