1. Essential Questions: 1) What role have humans played in the destruction of the Ozone Layer? 2) Why should humans be concerned about the destruction of the Ozone Layer?

2. What is the Ozone Layer?
Ozone is a chemical found in the upper atmosphere that protects
the earth from the sun’s harmful UV Rays.

3. What are chlorofluorocarbons?
Found in aerosol cans
Refrigerator Emissions
Air Conditioner Emissions
CFC’s

4. What is the problem with using CFC’s?
They create holes in the ozone layer around earth.
This layer prevents UV radiation from reaching earth.

5. How can UV radiation affect living things?
Mutations
Skin Cancer

6. Global Warming vs. Ozone Layer Depletion
More UV
radiation
Caused
by air
pollution
Melting of
Ice caps
Mutations
CFCs
CO2