Operation ozone: how the world patched up the hole in the sky
Dec 6, 2023
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Discover how the world worked together to save the ozone, from the birth and discovery of ozone-depleting chemicals to the international cooperation that led to the successful Montreal Protocol. Also, learn about small actions making a big difference, the challenges of tackling climate change, and the cultural significance of bucket hats, aviator sunglasses, and waterproof sunscreen.
27:29
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Quick takeaways
Discovery of the hole in the ozone layer led to the creation of the Montreal Protocol, an international treaty that phased out the use of harmful chemicals
The Montreal Protocol was a successful example of global cooperation and became the world's most successful environmental agreement
Deep dives
CFCs and the Ozone Layer: A Global Environmental Problem
In the podcast episode, the hosts discuss the discovery of the hole in the ozone layer over Antarctica and how it was linked to chlorofluorocarbons (CFCs), which were commonly used in refrigerators and aerosol products. The hosts highlight the efforts of scientists like Dr. F. Sherwood Roland and Dr. Mario Molina to raise awareness about the dangers of CFCs and their impact on the ozone layer. They explain how the research led to the creation of the Montreal Protocol, an international treaty that called for the phased-out use of CFCs worldwide. The hosts emphasize the importance of public awareness and action in addressing environmental issues.
The Success of the Montreal Protocol
The podcast highlights the success of the Montreal Protocol in curbing the use of CFCs and protecting the ozone layer. It mentions how the treaty brought together governments, businesses, and scientists from around the world and became the first international treaty signed by every country. The hosts note that the hole in the ozone layer started shrinking as a result of the protocol's implementation. They emphasize the significance of the Montreal Protocol as the world's most successful environmental agreement.
Lessons for Addressing Climate Change
The podcast draws parallels between the efforts to address the hole in the ozone layer and the current challenge of tackling climate change. The hosts discuss the need for global cooperation, public engagement, and government action in combatting climate change. They highlight the role individuals can play in advocating for solutions, such as participating in protests, joining environmental groups, and voting for leaders committed to protecting the planet. The hosts conclude by inspiring listeners to recognize their potential as climate heroes and take action to protect the environment.
Climate change can feel like an overwhelming problem, so it’s important to shine a light on environmental success stories. One such tale? How the world came together to save the ozone!
Join Joy and co-host Asa as they whisk listeners from the birth of ozone-depleting chemicals, to the scientific discovery that these chemicals were destroying our atmosphere, to the stunning act of international cooperation that lead to the Montreal Protocol, the world’s most successful environmental agreement to this day. Plus, a First Things First to light up your day!