Air Quality & Pollution

Arctic sea ice: Regional nuclear conflict could lead to extended global cooling
March 03, 2014
A nuclear exchange, even if limited to one region, would have severe atmospheric impacts.
Pollution above Asia: Layer in stratosphere may originate from global sources
February 19, 2014
Scientists link coal, oil, and biomass to a layer of sulfates high above Asia.
June 19, 2013
The five-project field campaign looks at unique features affecting air quality and climate in the region.
Small volcanoes, big climate impact: Sarychev Volcano
March 21, 2013
A new study by an NCAR researcher shows that small- to moderate-size volcanoes have helped slow down warming over the last decade, while industrial emissions of Sun-blocking sulfur dioxide over Asia have contributed relatively little to the slowdown.
Andean glacier melt - NCAR scientist Carl Schmitt on a Peruvian glacier.
February 04, 2013
A team of researchers, including NCAR scientist Carl Schmitt, are climbing high in the Peruvian Andes to assess the extent to which the white ice is being darkened by ash and other particulates that are emitted by nearby industrial operations. The dark particles can accelerate glacial melting, eventually threatening runoff that supplies water for millions of South American residents.
Inversion over Salt Lake City, January 2011, related to persistent cold and pollution events
January 24, 2013
Much of the United States has felt winter’s bite this week, with fresh but frigid cold to the east and a weeks-long spell of stagnant, polluted chill to the west.

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The University Corporation for Atmospheric Research manages the National Center for Atmospheric Research under sponsorship by the National Science Foundation. Any opinions, findings and conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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