Despite a significant reduction in smog-producing toxins in past decade, GTA still violates Canada's ozone standards
Environment
Aug 21, 2014
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A chemical used in dry cleaning and fire extinguishers may have been phased out in recent years but NASA said Wednesday that carbon tetrachloride (CCl4) is still being spewed into the atmosphere from an unknown source.
Earth Sciences
Aug 20, 2014
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Sometimes even honey bees need help with "housekeeping," especially when it comes to cleaning their honeycombs once the honey's been removed. U.S. Department of Agriculture (USDA) research has shown that fumigating honeycombs ...
Other
Mar 14, 2014
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Scientists say warm upper air this September and October helped shrink the man-made ozone hole near the South Pole slightly.
Earth Sciences
Oct 23, 2013
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Deciphering the molecular composition of organic aerosols, or OA, in the atmosphere is essential for understanding how these complex aerosols transform and impact the environment and climate forcing. The chemical composition ...
Environment
Jun 17, 2013
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Air pollution from wildland fires and urban and agricultural areas in California is diminishing air quality at Devils Postpile National Monument, according to a recent study published in the journal Atmospheric Environment.
Environment
Apr 23, 2013
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(Phys.org) —A combination of extreme cold temperatures, man-made chemicals and a stagnant atmosphere were behind what became known as the Arctic ozone hole of 2011, a new NASA study finds.
Earth Sciences
Mar 11, 2013
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People tend to think of ozone as something in the upper atmosphere that protects the earth's surface from UV radiation. At the ground level, however, ozone is a pollutant that damages crops, particularly soybean.
Earth Sciences
Oct 30, 2012
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U.S. Department of Agriculture (USDA) scientists working with the University of Illinois at Urbana-Champaign found that future levels of ground-level ozone could reduce soybean yields by an average 23 percent.
Plants & Animals
Aug 22, 2011
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Ground-level ozone is an air pollutant that harms humans and plants. Both climate and weather play a major role in ozone damage to plants. Researchers at the University of Gothenburg, Sweden, have now shown that climate change ...
Earth Sciences
Jun 30, 2011
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