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Oct. 12, 2012
Tracking the Ozone Hole, as It Waxes and Wanes
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Every August, the ozone hole begins to grow over Antarctica, reaching its maximum size by late September. But by the New Year, it's gone again. Russell Schnell, of NOAA's Earth System Research Laboratory, explains the weird forces behind the ozone hole's formation -- and why, in recent years, an ozone hole has capped the Arctic too.
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Produced by Christopher Intagliata, Associate Senior Producer
Produced by Jon Chang, Science Friday Intern
Guests
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Russell Schnell
Deputy Director, Global Monitoring Division
Earth System Research Laboratory
National Oceanic and Atmospheric Administration (NOAA)
Boulder, Colorado
FEATURED READING
Scatter, Adapt, and Remember: How Humans Will Survive a Mass Extinction
by Annalee Newitz
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