At the beginning of 2013 a greyish-brown blanket of smog lay over large areas of China for several months. The fine particle pollution was higher by 1 to 2 orders of magnitude than the levels normally measured in Western ...
Environment
Sep 18, 2014
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With its exploding urban population burning ever more coal and wood, Africa could contribute as much as 55 percent of the world's particle pollutants by 2030, a study said Tuesday.
Environment
Mar 11, 2014
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Over two million deaths occur each year as a direct result of human-caused outdoor air pollution, a new study has found.
Environment
Jul 11, 2013
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(Phys.org) —Reductions in emissions of black carbon since the late 1980s, mostly from diesel engines as a result of air quality programs, have resulted in a measurable reduction of concentrations of global warming pollutants ...
Environment
Jun 14, 2013
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(Phys.org) —Among its many talents, silver is an antibiotic. Titanium dioxide is known to glom on to certain heavy metals and pollutants. Yet other materials do the same for salt. In recent years, environmental engineers ...
Nanomaterials
May 15, 2013
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After years of scientific uncertainty and speculation, researchers at the University of North Carolina at Chapel Hill show exactly how trees help create one of society's predominant environmental and health concerns: air ...
Environment
Apr 25, 2013
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(Phys.org)—Researchers at Pacific Northwest National Laboratory traced the different ways pollution particles change summer monsoon rainfall in South Asia. They found that pollution's effect through "slow" processes, affecting ...
Earth Sciences
Dec 24, 2012
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Pollution from fossil fuel burning and forest fires reaches all the way to the Arctic, even though it should decay long before it travels that far. Now, lab research can explain how pollution makes its lofty journey: rather ...
Earth Sciences
Nov 15, 2012
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Clouds are influenced by the company they keep. Scientists at Pacific Northwest National Laboratory and the National Center for Atmospheric Research (NCAR) found that ocean-hugging clouds in clean regions are more affected ...
Earth Sciences
Oct 26, 2012
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(Phys.org)—Catalytic converters work poorly if they have not yet warmed up. Tiny metal particles in a catalytic converter require a minimum temperature to function efficiently. At the Vienna University of Technology, thanks ...
Materials Science
Oct 8, 2012
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