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The United Nations International Day for the Preservation of the Ozone Layer is celebrated each year around the world on September 16, a date that marks the 1987 signing of the Montreal Protocol. This international treaty was enacted to protect the ozone layer by eliminating the use of ozone depleting substances. As a result of this global effort, the ozone layer is expected to recover by 2050. The phasing out of HFC’s and CFC’s has also contributed significantly to combating climate change by reducing the atmospheric concentration of these known contributors to global warming. This year’s theme “Ozone and climate: Restored by a world united” draws attention to the scientific evidence that continued reduction of ozone depleting substances will avoid 0.4°C of global warming by the end of the century, while continuing to protect the ozone layer.
On this special day, primary and secondary school educators throughout the world are encouraged to organize classroom activities that focus on topics related to the ozone layer and climate change.
The ozone layer acts as an atmospheric shield. All life on earth depends on its protection from the lethal levels of ultraviolet radiation produced by the sun.
Why Care About The Ozone Layer?
Resources 4 Rethinking encourages students and teachers to participate in the International Day for the Preservation of the Ozone Layer. Top R4R Picks will connect you to some excellent resources to support these efforts.
For more information and activities be sure to check out the International Day for the preservation of the Ozone Layer 2016 website.