Tour 1 - Exploring the Atmosphere
Tour 2 - Ozone
Tour 3 - The Trouble with CFCs
Tour 4 - Secrets of the Ozone Hole
Tour 5 - Atmospheric Aerosols: Part 1, Part 2, Part 3
Here are three relevant lectures on "The History of Chemistry" (Gases and the Gas Laws)
Law and Chaos
Revolution and Order
Pressure of the Population