Ocean chlorine tends to stay in the ocean. The oceans have been around since the ozone layer formed, which would seem to indicate that it certainly does not hinder the ozone equilibrium in the atmosphere. Back to top Q uiz Click here to take the Ozone quiz. Please use your browser's back button to return to the Ozone teacher's guide. Back to top J ust the Facts Stratospheric ozone protects the Earth from harmful ultraviolet radiation.
Tropospheric ozone can damage plants and animals.
The Montreal Protocol is a treaty designed to stop the production of CFCs by 1999. Page will open in a new window. Fun Just for fun, play our Ozone Wordsearch game. Please use your browser's back button to return to the Ozone teacher's guide.