Step 5 Look What We Found!

Looking at your data, you unravel part of the mystery. You’ve found high levels of chlorine being released from CFC molecules decomposing in the stratosphere. The chlorine then destroys ozone. Here’s your proof that CFCs are responsible for the ozone hole.

Congratulations! Now you have to get the word out. As far as most of the world’s concerned, CFCs are still the greatest thing since sliced bread. Hurry up to Step 6.