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Smoke Smudges Mexico City's Air, Chemists Identify Sources
Mexico City once topped
lists of places with the
worst air pollution in the
world. Although efforts to
curb emissions have improved
the situation, tiny
... > full story
Cluster Watches Earth's Leaky Atmosphere
Oxygen is constantly leaking
out of Earth's atmosphere
and into space. Now, ESA's
formation-flying quartet of
satellites, Cluster, has
discovered the physical
... > full story
Why Is Greenland Covered In Ice? Changes In Carbon Dioxide Levels Explain Transition
A fall in levels of
atmospheric carbon dioxide,
close to that of
pre-industrial times,
explains the transition from
... > full story
GOCE Earth Explorer Satellite To Look At The Earth's Surface And Core
The European Space Agency is
about to launch the most
sophisticated mission ever
to investigate the Earth's
gravitational field and to
... > full story
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New Clues To Air Circulation In The Atmosphere
August 22, 2008 — Air circulates above the Earth in four distinct cells, with two either side of the equator, say researchers. A new observational study describes how air rises and falls in the atmosphere above the ... > full story -
NASA Study Improves Ability To Predict Aerosols' Effect On Cloud Cover
August 19, 2008 — Using a novel theoretical approach, researchers from NASA and other institutions have identified the common thread that determines how aerosols from human activity, like the particles from burning of ... > full story -
Newly Detected Air Pollutant Mimics Damaging Effects Of Cigarette Smoke
August 18, 2008 — A previously unrecognized group of air pollutants could have effects remarkably similar to harmful substances found in tobacco smoke, according to a new report. Inhaling those pollutants exposes the ... > full story -
Strange Molecule In The Sky Cleans Acid Rain, Scientists Discover
August 13, 2008 — Researchers have discovered an unusual molecule that is essential to the atmosphere's ability to break down pollutants, especially the compounds that cause acid rain. It's the unusual chemistry ... > full story -
Global Warming Forecasts Not Taking Into Account Nanoscale Atmospheric Aerosols
August 9, 2008 — Researchers say brown carbons -- a nanoscale atmospheric aerosol species -- are being overlooked when scientists put together computer models for climate studies. They have developed a new technique ... > full story -
Beijing Olympics Air Pollution Control Efforts Being Assessed
August 8, 2008 — Flying downwind from Chinese mainland, unmanned aerial vehicles will measure emissions of soot and other forms of black carbon during China's "great ... > full story -
Investigating Sea Ice Decline
August 5, 2008 — A revised outlook for the Arctic 2008 summer sea ice minimum shows ice extent will be below the 2005 level but not likely to beat the 2007 record. DAMOCLES will dispatch eleven research missions into ... > full story -
Emerging Scientific Discipline Of Aeroecology
August 3, 2008 — Aeroecology is the emerging discipline for studying how airborne organisms -- birds, bats, arthropods and microbes -- depend on the support of the lower atmosphere that is closest to the Earth's ... > full story -
Climate Change: Secret Life Cycles Of Atmospheric Aerosols Can Be Illuminated With New Technology
July 29, 2008 — For scientists looking at climate change, a large area of uncertainty has to do with the effects of airborne particles -- such as carbon-laden soot -- but new technology is now helping researchers ... > full story -
Northern Wildfire Smoke May Cast Shadow On Arctic Warming
July 26, 2008 — The Arctic may get some temporary relief from global warming if the annual North American wildfire season intensifies, according to a new study. Smoke transported to the Arctic from northern forest ... > full story
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