Air Info Now: What is Ozone?: Describes the chemical makeup of ozone, the good ozone does when it is high, and the bad health effects it has when close to the surface.
All About Ozone: Looks at the ozone layer, depletion, and has frequently asked questions about ozone.
Atmosphere, Climate and Environment: Ozone Hole: What is ozone, why there is a hole, and what's causing it.
EPA SunWise for Kids: Ozone Layer: Tells why we need ozone in the stratosphere to live, how CFC's destroy ozone, and what you can do about it.
ESA Kids: Losing the Ozone Layer: Explains why we need the ozone layer, and has a picture of the ozone hole viewed from space.
Hole in the Ozone Layer?: Learn how it all started, how to fix the problem and what the future outlook is.
Ozone: A detailed look at ozone in the atmosphere, the difference between bad and good ozone, and how it's being depleted.
Ozone Guarding our Earth: Learn how ozone in the stratosphere makes living on the Earth possible.
Ozone News: Several articles about ozone and its effects on humans.
The Ozone Hole Tour: An overview of the ozone layer and the development of the ozone hole over the Antarctic.
The Ozone Layer: Answers several frequently asked questions about the ozone layer.
The Ozone Layer: What's Going On Up There?: Explains how the ozone layer is being depleted, and what you can do about it.
What is Depletion of the Ozone Layer?: Tells how ozone is broken apart by the Sun's powerful rays, and by human-made chemicals.
Wikipedia: Ozone Depletion: Looks at the ozone cycle, causes of ozone depletion, and a history of research about the ozone hole.
Wikipedia: Ozone Layer: Encyclopedia article that explains what the ozone layer is, and why we need it.