Page 1 of 2 NOVA | Dimming the Sun | PBS 5/30/2008 http://www

NOVA | Dimming the Sun | PBS
The Contrail Effect
Are vapor trails from aircraft
influencing the climate, and if
so, should we worry?
The Producer's Story
Filmmaker David Sington offers
his personal take on why many
people remain skeptical about
global warming. Join the
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Discoveries in
Global Dimming
From an 18th-century volcanic
eruption to a 21st-century
satellite, see what paved the
way to our understanding of
this phenomenon.
TV Program Description
Airing on PBS Tuesday August 5 at 8 pm
Check local listings as dates and times may
Links & Books
Teacher's Guide
Clean Air Technologies
Explore a handful of creative
solutions to help reduce
pollution, like exhaust-eating
algae and wind energy.
Program Transcript
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NOVA | Dimming the Sun | PBS
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