When did Horizon Season 27 Episode 10 air?
Horizon Season 27 Episode 10 aired on March 19, 1990.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon investigates how British scientists have begun to experiment to predict the effects of a changing climate from Greenhouse gases.
Direct answers for episode-level questions and details.
Horizon Season 27 Episode 10 aired on March 19, 1990.
This episode runs for approximately 60 minutes.
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