
Lightning's 'NOx-ious' Impact On Pollution, Climate
More than 1.2 billion
lightning flashes occur
around the world every year.
Each of those billion
lightning flashes produces a
puff of nitrogen oxide gas
... > full story

Professor To Predict Weather On Mars
Is there such a thing as
"weather" on Mars? There are
some doubts, considering the
planet's atmosphere is only
1 percent as dense as that
of the Earth. Mars, however,
definitely has clouds,
... > full story

Navy Sensor Provides Critical Space Weather Observations
Launched from Vandenberg Air
Force Base, Calif., aboard
an United Launch Alliance
Atlas V launch vehicle, Oct.
18, 2009, the Special Sensor
Ultraviolet Limb Imager (SSU ... > full story

Interactions With Aerosols Boost Warming Potential Of Some Gases
For decades, climate
scientists have worked to
identify and measure key
substances -- notably
greenhouse gases and aerosol
... > full story
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Treaty To Limit Carbon Dioxide Should Be Followed By Similar Limits On Other Greenhouse Pollutants
October 26, 2009 While carbon dioxide is the main greenhouse gas and the focus of climate treaties, other pollutants that stay in the atmosphere for only days or months also contribute to global warming. Researchers ... > full story -
Diatoms Reveal Climate Changes
October 19, 2009 Some 500 years ago there was a change in the circulation in the atmosphere over Scandinavia. This probably led to increased amounts of winter precipitation in northern Sweden for a ... > full story -
Magnetic Leaves Reveal Most Polluted Byways
October 16, 2009 Tree leaves may be powerful tools for monitoring air quality and planning biking routes and walking paths, suggests a new study. Leaves along bus routes were up to 10 times more magnetic than leaves ... > full story -
New Mobile Lab Allows Researchers To Study Air Quality, Health Effects
October 13, 2009 A new mobile air research laboratory will help a team of researchers better understand the damaging health effects of air pollution and why certain airborne particles -- emitted from industrial ... > full story -
Going Green On Hold: Human Activities Can Affect 'Blue Haze,' World's Weather
October 12, 2009 "Blue haze," a common occurrence that appears over heavily forested areas around the world, is formed by natural emissions of chemicals, but human activities can worsen it to the point of affecting ... > full story -
Do Dust Particles Curb Climate Change?
October 7, 2009 A knowledge gap exists in the area of climate research: for decades, scientists have been asking themselves whether, and to what extent man-made aerosols, that is, dust particles suspended in the ... > full story -
Ultra-fine Particles, Particularly Harmful To Health, Can Now Be Traced
October 6, 2009 Limit values for fine dust emissions are based on total particle weight. It is the ultra-fine particles, however, that are particularly harmful to health. A new technique separates them by size and ... > full story -
Air Pollutants From Abroad A Growing Concern, Says New Report
September 30, 2009 Plumes of harmful air pollutants can be transported across oceans and continents -- from Asia to the United States and from the United States to Europe -- and have a negative impact on air quality ... > full story -
Google Earth Application Maps Carbon's Course
September 30, 2009 Sometimes a picture really is worth a thousand words, particularly when the picture is used to illustrate science. Technology is giving us better pictures every day, and one of them is helping a ... > full story -
Ozone Layer Depletion Leveling Off, Satellite Data Show
September 22, 2009 By merging more than a decade of atmospheric data from European satellites, scientists have compiled a homogeneous long-term ozone record that allows them to monitor total ozone trends on a global ... > full story
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