🔬 Science 6d ago · Frank Jacobs

We saved the world once — we can do it again

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We saved the world once — we can do it again
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In the late 20th century, the world came together to plug a hole in the ozone layer — the part of Earth’s atmosphere that absorbs most of the Sun’s harmful ultraviolet radiation. If left unchecked, this hole would have exposed life on Earth to dangerous — and in some regions potentially lethal — levels of radiation, but an international treaty brought us back from the brink of disaster.
That treaty, the Montreal Protocol, is a lesson in human resilience: We can save the world, because we already

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