Season 7 · Episode 25 of 37
Aired Sep 21, 1970
Water, Water
Mon, Sep 21, 1970
Streaming on PBS
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Horizon looks at the work of scientists as they unravel the problems of providing us with water.
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Airs
Mon, Sep 21, 1970
Show
Horizon
1174 episodes
Episode
S7 · E25
in Horizon