An imbalance between the trends in two common air pollutants is unexpectedly triggering the creation of a class of airborne organic compounds not usually found in the atmosphere over urban areas of North America, according ...
Environment
Dec 18, 2017
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Urban air pollution in the U.S. has been decreasing near continuously since the 1970s.
Environment
Oct 31, 2017
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Hydraulic fracturing has enabled a domestic oil and gas boom in the U.S., but its rapid growth has raised questions about what to do with the billions of gallons of wastewater that result. Researchers now report that treating ...
Environment
Jul 12, 2017
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North America, once a sponge that sucked in a significant portion of the world's oil, will instead be supplying the world with oil and other liquid hydrocarbons by the end of this decade, according to ExxonMobil's annual ...
Environment
Dec 9, 2014
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The skies over Indonesian Borneo were filled with the smoke from hundreds of fires set deliberately to clear farmland. A shroud of thick, gray smoke hung over the area when the Aqua satellite captured this image on September ...
Earth Sciences
Sep 26, 2014
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(Phys.org) —Scientists at NASA's Ames Research Center, Moffett Field, Calif., now have the capability to systematically investigate the molecular evolution of cosmic carbon. For the first time, these scientists are able ...
Astronomy
May 14, 2013
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What is the origin of the volatile hydrocarbons, other than methane, present in city air? Mainly gasoline-powered vehicles, according to a study carried out by a French-US team. The study also shows that the proportion of ...
Environment
Apr 19, 2013
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(Phys.org)—A new NASA-led study involving the University of Colorado Boulder finds that when it comes to combating global warming caused by emissions of ozone-forming chemicals, location matters.
Earth Sciences
Jan 17, 2013
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Conventional jet fuel mixed with alternative fuels has been shown to cut particulate matter emissions from a plane's engine by nearly 40 percent, according to a recent study by researchers at Missouri University of Science ...
Environment
Nov 14, 2011
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China's booming car sales have had a devastating effect on the environment, the national environmental watchdog has warned in its first-ever report on pollution caused by vehicle emissions.
Environment
Nov 5, 2010
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