Season 33, Episode 19 Dimming Sun
First Aired: April 18, 2006
The discovery that the sunlight reaching Earth is dimming and the implications that has for global climate change, is examined. Included: how researchers used the days after 9/11, when aircraft were grounded in the U.S., to study how plane vapor trails affect the atmosphere; and how less pollution in the atmosphere may have the unintended consequence of accelerating global warming.
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- Premiered: March 3, 1974
- Rating: None
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- Premise: 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)
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