NOVA
PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
Season 33 · Episode 16 ·
Dimming the Sun
Everyone has heard of global warming, but a lesser-known man-made phenomenon has been nearly as powerful at affecting Earth's climate. A look at global dimming, created by soot and pollution reflecting the sun's rays and surprisingly helping to offset global warming's catastrophic advance.
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Episode 16 of season 33 of NOVA: “Dimming the Sun”. Aired 2006-04-18. Watch it online free on ZapFlix.