Anthropogenic Climate Changes

Standard Atmosphere

Measurements of Ozone

Why is Ozone Important?

How Is Ozone Formed?

Ozone Distribution

Polar Vortex

Ozone Production and Destruction

Radiation and Ozone

Other Ozone Destruction Processes

The Chlorine Catalytic Cycle

The Chlorine Catalytic Cycle

The Nitrogen Catalytic Cycle

Where do those ozone-depleting catalysts come from?

The Odd Nitrogen Cycle

Other Sources of NO

The Chlorine Cycle

Chlorine Sources

Man-Made Sources for CFCs

The Bromine Cycle

Bromine Sources

Coupling Between Odd Nitrogen  and Chlorine Cycles

Polar Stratospheric Clouds (PSCs)

How PSCs Affect Chlorine?

Three Factors for the Ozone Hole

The Polar Vortex

Antarctic Ozone Hole

Satellite View of the Ozone Hole

The 1997 Ozone Hole

Ozone Hole Depletion

Global Total Ozone Change

Why No Ozone Hole in Artic?