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?

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.

What are chlorofluorocarbons?

CFC’s•Found in aerosol cans

•Refrigerator Emissions

•Air Conditioner Emissions

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.

How can UV radiation affect living things?

•Mutations

•Skin Cancer

Global Warming vs. Ozone Layer Depletion

Causedby air

pollution

Warming More UV radiation

Mutations

CFCs

Melting ofIce caps

CO2

Global Warming

OzoneLayer