uming that Global Climate Change is happening?

Ozone and Carbon Dioxide are two separate ges, and form different parts of the atmosphere. Ozone depletion and Carbon increases are two separate issues. The ozone acts as a shield against ultraviolet radiation, and its thinning leads to increased cancer rates and other problems. Carbon Dioxide, as well as other "green house ges" insulate the planet and retain heat by reflecting infrared radiation back to the earth.