What working together to save the ozone layer tells us about climate action today
Cora Young was eight years old when she learned in class that polystyrene foam, the clamshell packaging for some fast-food hamburgers, was one of the products containing chemicals responsible for eating away at the Earth's ozone layer.
"I went home and told my parents we were no longer allowed to eat at fast food restaurants," said Young.
It was 1989, just two years after an international agreement called the Montreal Protocol was signed, and there was growing awareness of the dangers some products posed to the ozone layer, compromising its ability to shield us from cancer-causing UV radiation.
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