Authors:

We've polluted the stratosphere with these chlorine and bromine compounds, and because it's now colder, and because we have this change in the climate, we're getting more ozone loss than we would have gotten in a normal year.

"Study: Despite efforts, ozone layer will take long time to heal" by Greg Lefevre, www.cnn.com. December 19, 2000.
We've polluted the stratosphere with these chlorine and bromine compounds, and because it's now colder, and because we have this change in the climate, we're getting more ozone loss than we would have gotten in a normal