This Horizon episode is about the Earth as an icon.
Tibet - The Ice Mother
Russia's Deep Secrets
Bones of Contention
Siamese Twins
Too Big Too Soon?
Farewell Fantastic Venus
Exodus
The Betrayers
Icon Earth
The I-Bomb
Foetal Attraction
Cracks in the Crust
Hearing Voices
Liar
The Human Laboratory
Nanotopia
Hunt for the Doomsday Asteroid (Update)
A Code In The Nose
AIDS: Behind Closed Doors
The Runaway Mountain