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9088 items (0 unread) in 47 feeds
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7th Judicial Circuit of the United States: New Oral Arguments
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Black History Month Special Radio Features from the US Census Bureau
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Voices on Genocide Prevention
News from NOAA - Podcast
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NOAA Observes 20th Anniversary of Ozone Hole 'Success Story'
Posted: August 23rd, 2006, 1:42pm PDT
Enclosure: [download]
It was 20 years ago this month that four teams of scientists from NOAA and three other organizations flew to the end of the Earth to find out what was causing a hole in the planet's ozone layer. That's the thin, invisible layer of the Earth's atmosphere about 15 miles thick that plays a vital role in absorbing harmful ultraviolet radiation from the sun.