Episode 230: Whatever Happened to the Ozone Hole?


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Apr 18 2018 24 mins  
If you were around in the 1980s, you probably remember the lurking fear of an ominous hole in the sky. In the middle of the decade scientists discovered that a giant piece of the ozone layer was disappearing over Antarctica, and the situation threatened us all. The news media jumped on the story. The ozone layer is like the earth’s sunscreen: without it ultraviolet rays from the sun would cause alarming rates of skin cancer and could even damage marine food chains. And it turns out we were causing the problem.

Today, more than three decades after the initial discovery, the ozone hole in Antarctica is finally on the road to recovery. How did we do it? This environmental success story gives us a glimpse into what happens when scientists, industry, the public, and the government all work together to manage a problem that threatens all of us. Happy Earth Day!