Sulfurous signs of life
Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.
Jun 30, 2011
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Jun 30, 2011
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Cloud composition cliffhanger at point reyes national seashore
Turns out, polluted air from San Francisco is not the culprit. It's a thermal trough pushing north from Arizona. In a surprise result, scientists found that this weather pattern significantly affects the chemistry ...
Jun 03, 2011
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Tiny particles, big impact
Atmospheric aerosols may be small, ranging in size from a few nanometers to a few microns, but they have a big impact on climate. At the Pacific Northwest National Laboratory, capabilities developed ...
Jun 03, 2011
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NASA earth observation satellite fails to reach orbit (Update)
A NASA satellite that aimed to study the impact of aerosols on climate plunged into the Pacific Ocean on Friday, delivering a $424-million blow to the US space agency.
Mar 04, 2011
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Cassini to sample magnetic environment around Titan
(PhysOrg.com) -- NASA's Cassini spacecraft is set to skim close to Saturn's moon Titan on Friday, Feb. 18, to learn about the interaction between Titan and Saturn's magnetosphere, the magnetic bubble around ...
Feb 18, 2011
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Refining atmospheric climate models
(PhysOrg.com) -- A long, frustrating search for the source of "extra" aerosols seen in field experiments but not in models might have come to an end when scientists at Pacific Northwest National Laboratory ...
Feb 01, 2011
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Glory satellite to study aerosols' effect on climate (w/ Video)
(PhysOrg.com) -- Earth’s climate continues to change at a rapid pace. Last week, NASA announced that 2010 was tied as the warmest year on record. Likewise, the last decade was the warmest in the 130-year ...
Jan 20, 2011
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Small, mighty and mysterious: Researcher IDs atmospheric aerosols
(PhysOrg.com) -- There's a lot more to the atmosphere than air. With every breath, we inhale a nearly invisible mish mash of tiny particles known as aerosols. From droplets of water and trace gases like sulfuric acid to specks ...
Jan 18, 2011
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New spacecraft could help break the climate debate gridlock
A new robotic probe is headed to the launch pad, aiming for a spot aboard what is called the A-train -- a fleet of Earth-orbiting spacecraft keeping tabs on the planet's changing climate.
Jan 11, 2011
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Sales of electronic cigarettes rise, and so does criticism
Makers of electronic cigarettes are reporting strong growth in sales as anti-tobacco laws force European smokers into the cold streets, but campaigners say the device is undercutting health efforts.
Jan 02, 2011
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Plants play larger role than thought in cleaning up air pollution
(PhysOrg.com) -- Vegetation plays an unexpectedly large role in cleansing the atmosphere, a new study finds. The research, led by scientists at the National Center for Atmospheric Research (NCAR) in Boulder, ...
Oct 21, 2010
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Carbon dioxide controls Earth's temperature
(PhysOrg.com) -- Water vapor and clouds are the major contributors to Earth's greenhouse effect, but a new atmosphere-ocean climate modeling study shows that the planet's temperature ultimately depends on ...
Oct 14, 2010
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'Archeologists of the air' isolate pristine aerosol particles in the Amazon
Environmental engineers who might better be called "archeologists of the air" have, for the first time, isolated aerosol particles in near pristine pre-industrial conditions.
Sep 16, 2010
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UN scientists say ozone layer depletion has stopped
The protective ozone layer in the earth's upper atmosphere has stopped thinning and should largely be restored by mid century thanks to a ban on harmful chemicals, UN scientists said on Thursday.
Sep 16, 2010
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The aerosols conundrum: Research shows that aerosols not only cool, but also heat the planet
Just how much warmer Earth will become as a result of greenhouse-gas emissions — and how much it has warmed since preindustrial times — is much debated. In a 2007 report, the Intergovernmental Panel on ...
Jul 09, 2010
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