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• n  a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun

• ozonosphere

News & Articles

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• UC SAN DIEGO CHEMIST TO GET HIGHEST U.S. HONOR FOR CIVILIANS
  The White House said Thursday that it will confer the nation’s highest civilian honor on UC San Diego chemist Mario Molina, a Mexican immigrant who shared the Nobel Prize for revealing that common household chemicals were damaging Earth’s protective ozone layer.
  Aug. 9, 2013 - U-T San Diego
• Is the Antarctic Ozone Hole Causing Warming?
  The hole in the planet's ozone layer may be shifting wind patterns and cloud cover over Antarctica in a way that could be triggering slightly warmer global temperatures, a new study finds.
  Aug. 8, 2013 - LiveScience.com via Yahoo! News
• UCSD's Molina wins Medal of Freedom
  Obama will honor the chemist for helping to reveal that a class of common household chemicals has been damaging Earth's protective ozone layer.
  Aug. 8, 2013 - U-T San Diego