Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 25 · Episode 6 ·
The Greenhouse Effect
This documentary report by Horizon examines the devastating effects of the Greenhouse Effect (earth's temperature rising) and how man is causing it.
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Episode 6 of season 25 of Horizon: “The Greenhouse Effect”. Aired 1988-02-08. Watch it online free on ZapFlix.