(Phys.org) —Conifers emit volatile hydrocarbons, primarily terpenes, which we experience as the characteristic smell of the woods. In a complicated series of reactions involving ozone and sulfur dioxide, these compounds ...
Materials Science
Jan 9, 2014
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(Phys.org) —Power plant emissions of sulfur dioxide – an atmospheric pollutant with both health and climate impacts – have increased across India in recent years, according to a new analysis of data from a NASA satellite.
Environment
Dec 27, 2013
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A collaborative project involving a Kansas State University ecologist has shown that the Clean Air Act has helped forest systems recover from decades of sulfur pollution and acid rain.
Environment
Sep 2, 2013
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(Phys.org) —A new study from Germany has studied the tiny dust particles within clouds and their influence on the climate. The influence of dust particles on cloud formation and on the chemical reactions within clouds has ...
A research team of biogeochemists at the University of California, Riverside has provided a new view on the relationship between the earliest accumulation of oxygen in the atmosphere, arguably the most important biological ...
Earth Sciences
Apr 24, 2013
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Tougher EPA air-quality standards could spur an increased shift away from coal and toward natural gas for electricity generation, according to a new Duke University study. Complying with stricter regulations on sulfur dioxide, ...
Energy & Green Tech
Apr 5, 2013
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(Phys.org) —Studying volcanos can be hazardous work, both for researchers and aircraft. To penetrate such dangerous airspace, unmanned aerial vehicles (UAVs), especially those with electric engines that ingest little contaminated ...
Earth Sciences
Apr 2, 2013
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A team led by the University of Colorado Boulder looking for clues about why Earth did not warm as much as scientists expected between 2000 and 2010 now thinks the culprits are hiding in plain sight—dozens of volcanoes ...
Earth Sciences
Mar 1, 2013
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(Phys.org)—Research has shown a decrease in levels of the isotope nitrogen-15 in core samples from Greenland ice starting around the time of the Industrial Revolution. The decrease has been attributed to a corresponding ...
Environment
Dec 7, 2012
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Buildings and statues constructed of limestone can be protected from pollution by applying a thin, single layer of a water-resistant coating.
Materials Science
Dec 4, 2012
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