Sarah Doherty
November 5, 2025
The chilling effect of air pollution

New University of Washington-led research attributes accelerated warming to reduced cloud reflectivity. As efforts to improve air quality have reduced pollution, clouds became less mirror-like, letting more solar radiation reach Earth and revealing the true impact of greenhouse gases.
September 12, 2016
UW scientist helping direct NASA field study of clouds off Namibia

UW atmospheric scientists are part of a month-long NASA effort to learn how smoke and clouds interact.
March 9, 2016
Darkening of Greenland ice sheet due mainly to older, melting snow

A study by the UW and others finds that the darkening of the Greenland ice sheet is not due to an increase in wildfires, but is a side effect of a warming climate.
January 8, 2015
Epic survey finds regional patterns of soot and dirt on North American snow

University of Washington scientists published the first large-scale survey of impurities in North American snow. An almost 10,000-mile road trip showed that disturbed soil often mattered as much as air pollution for the whiteness of the snow.
January 15, 2013
International study: Where there’s smoke or smog, there’s climate change

A new international assessment found that soot, or black carbon, is a major contributor to global warming — second only to carbon dioxide.