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Special Issue on the International Day for the Preservation of the Ozone Layer 16 September 2023
- The United Nations Secretary-General António Guterres’ message on the International Day for the Preservation of the Ozone Layer, observed 16 September 2023
- Montreal Protocol: fixing the ozone layer and reducing climate change, Ozone… read more

In this issue:

Special Announcement - Sustainable Growth: Building Business Models for Cold Chain Development

1. Kigali Amendment latest ratifications
2. Knowledge is cold …
3. Descubriendo el potencial de los sistemas de refrigeración magnética: Un análisis exhaustivo
4. Dr Yosr Allouche appointed as next Director… read more

In this issue:

Special Announcement - Sustainable Growth: Building Business Models for Cold Chain Development

1. Kigali Amendment latest ratifications
2. New and updated guides and submission forms for the preparation of project proposals
3. Fears over Antarctic sea ice as yearly ozone layer hole forms ‘… read more

In this issue:   1. Kigali Amendment latest ratifications. 2. New and updated guides and submission forms for the preparation of project proposals. 3. A review of current understanding of HFC-23 emissions and contributing source processes. 4. “Towards efficient, controlled and smart Refrigeration.”  5. A Cooler Future: The Role… read more

In this issue:
1. Kigali Amendment latest ratifications
2. Summary of the 45th meeting of the Open-ended Working Group of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer: 2-7 July 2023
3. Considerations for establishing national HFC Quota System
4. ASHRAE and UNEP Announce Lower GWP Award… read more

In this issue:
1. Kigali Amendment latest ratifications
2. The ozone layer continues to slowly recover
3. Long-term variability of human health-related solar ultraviolet-B radiation doses from the 1980s to the end of 21st century
4. Protecting the Ozone Layer Is Delaying Arctic Melting
5. 2023 World Refrigeration Day… read more

In this issue:

1. Kigali Amendment latest ratifications
2. Report of the Ninety-second Meeting of the Executive Committee
3. Questions and Answers about the Effects of Ozone Depletion, UV Radiation, and Climate on Humans and the Environment
4. Technology and Economic Assessment Panel - 2022 Assessment Report
5. Cold… read more

In this issue:

1. Kigali Amendment latest ratifications
2. World Ozone Day 2023 theme announced: Montreal Protocol: fixing the ozone layer and reducing climate change
3. Interim guide for the presentation of stage I of Kigali HFC implementation plans (May 2023)
4. World Refrigeration Day 2023 theme announced: Next… read more

In this issue:

1. Kigali Amendment latest ratifications
2. Environmental Effects of Stratospheric Ozone Depletion, UV Radiation, and Interactions with Climate Change, Executive Summary, Environmental Effects Assessment Panel 2022 Quadrennial Assessment
3. Twenty Questions and Answers About the Ozone Layer: 2022 Update
4.… read more

In this issue:

1. Kigali Amendment latest ratifications
2. Sustainable ODS and HFC banks management through complementary action of the Climate Ozone Protection Alliance to the Multilateral Fund – Webinar
3. Reducing food loss and waste through sustainable food cold chains
4. Social media data shed light on air-conditioning… read more

In this issue:

1. Kigali Amendment latest ratifications
2. Research finds global emissions of several banned ozone-destroying chemicals are increasing
3. Sustainable retrofit of existing buildings: Impact assessment of residual fluorocarbons through uncertainty and sensitivity analyses
4. Niger submitted the first… read more

In this issue:

1. Kigali Amendment latest ratifications
2. Framework of activities for sustainability supported by the Multilateral Fund
3. Leading ozone scientist says more climate surprises likely
4. Google Doodle Celebrates Mario Molina's 80th Birthday
5. UNIDO reaches a billion-dollar milestone on ozone and climate… read more

In this issue:

1. Kigali Amendment latest ratifications
2. Study: Smoke particles from wildfires can erode the ozone layer
3. What is sustainable cooling and how can it help tackle the climate crisis?
4. Experimental and Simulation Study of the Latest HFC/HFO and Blend of Refrigerants
in Vapour Compression Refrigeration… read more

In this issue:

1. Happy International Women's Day, 8 March 2023 - Letter from OzonAction Head
2. Kigali Amendment latest ratifications
3. Executive Committee Primer 2023
4. Halon in Aviation
5. New report explores issues around solar radiation modification (SRM)
6. The ozone layer: a hole new world
7. Seychelles… read more

In this issue:

1. Kigali Amendment latest ratifications
2. Highlights of the Scientific Assessment of Ozone Depletion: 2022
3. Green Customs Initiative Partners advance on customs activities under MEAs
4. Opinion: Restoration of the ozone layer is a landmark example of successful global environmental policy
5. Q+A:… read more

In this issue:

1. Kigali Amendment latest ratifications
2. UN uses new gaming technology to create environment simulation game for teenagers 
3. Four reasons why the world needs to limit nitrogen pollution 
4. Partners announce new ambition on sustainable cooling for COP28 
5. Hunga Tonga undersea volcano… read more

In this issue:

OzoNews Turns 23!

1. Kigali Amendment latest ratifications

2. Ozone layer recovery is on track, helping avoid global warming by 0.5°C

3. Dead NASA satellite returns to Earth after 38 years

4. Rwanda banks on new financing to help restore Ozone layer

5. US EPA Proposes… read more

In this issue:

1. Kigali Amendment latest ratifications
2. The Multilateral Fund in Action 2022 - Year-end Update
3. How the world mended the ozone layer but still struggles with climate change
4. Egypt: The government approves the Kigali Amendment to the Montreal Protocol on Substances that Deplete the Ozone
5.… read more

In this issue:
1. Kigali Amendment latest ratification
2. Backing the Montreal Protocol: Role of the Multilateral Fund
3. MOP34 high-level round table outcomes
4. Transboundary trafficking in waste and ozone depleting substances tackled through Operation DEMETER VIII
5. The Future of Heat Pumps – a new report launched by The… read more

In this issue:

1. Kigali Amendment latest ratifications
2. Summary of the 34th Meeting of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer (MOP34), 31 October – 4 November 2022 | Montreal, Canada
3. Decisions adopted by the Thirty-Fourth Meeting of the Parties to the Montreal Protocol… read more