
Diatoms Reveal Climate Changes
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

Dozen Lesser-Known Chemicals Have Strong Impact on Climate Change
A new study indicates that
major chemicals most often
cited as leading causes of
climate change, such as
carbon dioxide and methane,
... > full story

Warmer Means Windier on Lake Superior, World's Biggest Lake
Rising water temperatures
are kicking up more powerful
winds on Lake Superior, with
consequences for currents,
biological cycles, pollution
and more on the world's larg ... > full story

Lightning Strike in Africa Helps Take Pulse of Sun
Scientists have developed a
more definitive and reliable
tool for measuring the Sun's
rotation when sunspots
aren't visible ---- and even
when they are -- based on
... > full story
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Braking News: Particles from Car Brakes Harm Lung Cells
November 20, 2009 Real-life particles released by car brake pads can harm lung cells in vitro. Researchers found that heavy braking, as in an emergency stop, caused the most damage, but normal breaking and even close ... > full story -
Professor to Predict Weather on Mars
November 13, 2009 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 -
Climate Studies To Benefit From 12 Years Of Satellite Aerosol Data
November 10, 2009 Aerosols, very small particles suspended in the air, play an important role in the global climate balance and in regulating climate change. They are one of the greatest sources of uncertainty in ... > full story -
Lightning's 'NOx-Ious' Impact On Pollution, Climate
November 6, 2009 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 (NOx) that reacts with sunlight and other ... > full story -
Navy Sensor Provides Critical Space Weather Observations
November 3, 2009 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 (SSULI) developed by the Naval ... > full story -
Interactions With Aerosols Boost Warming Potential Of Some Gases
October 31, 2009 For decades, climate scientists have worked to identify and measure key substances -- notably greenhouse gases and aerosol particles -- that affect Earth's climate. And they've been aided by ever ... > full story -
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 -
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
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