Nova1974 | TV Show

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PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a (more…)

Premiered: March 3, 1974

Rating: None

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Season 11, Episode 11 Fire or Ice: The Climate Crisis

First Aired: December 20, 1983

How years of burning fossil fuels have contributed to a gradual warming of the earth known as the greenhouse effect. An increased amount of carbon dioxide in the atmosphere traps the sun's warming infrared rays near the earth.

Previous Episode

Nuclear Strategy for Beginners

Season 11, Episode 10

December 13, 1983

Next Episode

Eyes Over China

Season 11, Episode 12

December 27, 1983