Tuesday, November 21, 2017
 
Asian emissions can increase ground-level ozone pollution in U.S. West

Monday, March 5, 2012

Asian emissions can increase ground-level ozone pollution in U.S. West

Springtime air pollution from Asia, swept across the Pacific Ocean on winds, can contribute to episodes of high surface ozone pollution in the western United States.

Encouraging information from this year’s observations of the Antarctic ozone hole

Monday, October 21, 2013

Encouraging information from this year’s observations of the Antarctic ozone hole

For nearly 50 years, scientists with NOAA have launched high-altitude balloons from the South Pole, to understand why a hole was forming in the protective ozone layer high in the atmosphere. Now, organizations around the world track the infamous ozone hole through these ballon-sondes, satellite measurements and ground instruments.
HFC greenhouse gases: a tale of two (or more) futures

Tuesday, November 3, 2015

HFC greenhouse gases: a tale of two (or more) futures

New research projects greenhouse effect from substances that replaced ozone-depleting products

new paper appearing online in Atmospheric Environment  coauthored by researchers at NOAA’s Earth System Research Laboratory looked at the climate implications of various proposals for future HFC use that are being discussed this week under the United Nations Montreal Protocol, the global agreement that protects the ozone layer. 
Los Angeles air pollution declining, losing its sting

Tuesday, June 4, 2013

Los Angeles air pollution declining, losing its sting

The cleanup of California’s tailpipe emissions over the last few decades has not only reduced ozone pollution in the Los Angeles area, it has also altered the pollution chemistry in the atmosphere, making the eye-stinging “organic nitrate” component of air pollution plummet, according to a new study.

Morgan, Nick

Wednesday, March 10, 2010

Morgan, Nick

Going to the Ends of the Earth for Science

Late March is a pivotal time around the globe. It marks the start of spring in the Northern Hemisphere, and the coming of autumn in the Southern Hemisphere. In Antarctica, it’s when the sun drops below the horizon, not to rise again until the following September. NOAA researchers at the South Pole Observing Station continue their work through the long Antarctic night.
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