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Whatever happened to the hole in the ozone layer? - Stephanie Honchell Smith


3,203 Questions Answered

Earth School

Let’s Begin…

In the 1980s, the world faced a huge problem: there was a rapidly expanding hole in the ozone layer. If it continued to grow, rates of skin cancer could skyrocket, photosynthesis would be impaired, agricultural production would plummet, and entire ecosystems would collapse. So, what happened? Stephanie Honchell Smith shares how decisive global cooperation helped restore the ozone layer.

Ozone molecules absorb what percentage of the sun's UV radiation?

Watch the video and finish the Think section to complete the lesson.

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  • Video created by TED-Ed
  • Lesson Plan created by TED Ed

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