Sources for this episode include:
- United Nations Environment Programme in “Ozone Layer recovery is on track, helping avoid global warming by 0.5 degrees Celsius”
- Jaclyn Diaz in “The ozone layer is on track to recover in the coming decades, the United Nations says” from NPR
- United Nations Environment Programme in “About Montreal Protocol”
- World Meteorological Organization in “Scientific Assessment of Ozone Depletion: 2022”
- United Nations Environment Programme in “Handbook for the Montreal Protocol on Substances that Deplete the Ozone Layer”
- United Nations News in “Green Transformation ‘unstoppable’ as countries agree to curb powerful greenhouse gases” from the UN
- James Elkins in “Chlorofluorocarbons (CFCs)” from The Chapman & Hall Encyclopedia of Environmental Science