S16 · E15

Tracks on the Oregon Trail

Oct 1, 19791h

Horizon investigates the environmental protection program going on in the state of Oregon in the USA. Oregon is the first state to clean up it's environment.

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Tracks on the Oregon Trail

Episodes

The Forever Fuel

In Search of Pegasus

The Keys of Paradise

Sweet Solutions

Bronze Age Blast-Off

The Real Bionic Man

A Mediterranean Prospect

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Journey Through the Human Body

The Fight to Be Male

The Robots Are Coming

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Tracks on the Oregon Trail

The Race to Reshape Cars

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Survival of the Fastest

A Touch of Sensitivity

A Treasury of Trees

Darkness Visible

Uranium Goes Critical

The Fat in the Fire

Decade