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Highway Barriers Stifle Sound, Sight, and Soot
January 4, 2010 — Highway barriers erected along roadways to block the sound and sight of traffic for the adjoining neighborhoods may also be reducing the amount of pollutants, such as soot from diesel exhaust, ... > full story -
Lithium-Air Batteries Could Displace Gasoline in Future Cars
December 30, 2009 — In excess of seven million barrels of gasoline are consumed by vehicles in the United States every day. As scientists race to find environmentally sound solutions to fuel the world's ever-growing ... > full story -
Air Pollution Linked to Hospitalizations for Pneumonia in Seniors
December 23, 2009 — A study found that among older individuals, long-term exposure to traffic pollution independently increased their risk of hospitalization for ... > full story -
School Classroom Air May Be More Polluted With Ultrafine Particles Than Outdoor Air
December 22, 2009 — The air in some school classrooms may contain higher levels of extremely small particles of pollutants -- easily inhaled deep into the lungs -- than polluted outdoor air, scientists ... > full story -
Fog Discovered on Saturn's Largest Moon, Titan
December 18, 2009 — Saturn's largest moon, Titan, looks to be the only place in the solar system -- aside from our home planet, Earth -- with copious quantities of liquid (largely, liquid methane and ethane) sitting on ... > full story -
Mystery Solved: How Fine Particulates Are Formed in the Air
December 15, 2009 — Particulates make us ill, and particulates affect the climate. The direct combustion of wood and other fuels is only partially responsible for producing fine particulates – the rest evolve from ... > full story -
Nocturnal Wind Maximum Mapped for First Time
December 15, 2009 — On beautiful, sunny days with quiet weather conditions a strong wind develops in the evening at a height of about 200 meters. Scientists have now mapped how such a powerful wind develops high in the ... > full story -
Pollution Alters Isolated Thunderstorms: Wind Shear Strength Determines Whether Pollution Swells or Saps Storms
December 15, 2009 — New research reveals how wind shear -- the same atmospheric conditions that cause bumpy airplane rides -- affects how pollution contributes to isolated thunderstorm clouds. The work improves ... > full story -
New Study Turns Up the Heat on Soot's Role in Himalayan Warming
December 14, 2009 — A new modeling study from NASA confirms that when tiny air pollution particles we commonly call soot -- also known as black carbon -- travel along wind currents from densely populated south Asian ... > full story -
Ethanol-Powered Vehicles Generate More Ozone Than Gas-Powered Ones
December 14, 2009 — Vehicles running on ethanol will generate higher concentrations of ozone than those using gasoline, especially in the winter, researchers have found. That could create new health concerns in areas ... > full story
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