The theme for 2021 for International Day for the Preservation of the Ozone Layer is ‘Montreal Protocol – ‘Keeping us, our food and vaccines cool.’ Given below is the table with the theme for World Ozone day from the past few years, for the reference of candidates:
| Year | Theme |
| 2020 | Ozone for life: 35 years of ozone layer protection |
| 2019 | 32 Years and healing |
| 2018 | Keep Cool and Carry On |
| 2017 | Caring for all life under the sun |
| 2016 | Ozone and climate: Restored by a World United |
Further Reading:
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