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Emissions of Potent Greenhouse Gas Increase Despite Reduction Efforts
Despite a decade of efforts
worldwide to curb its
release into the atmosphere,
scientists have measured
increased emissions of a
... > full story
Ozone Hole Healing Could Cause Further Climate Warming
The hole in the ozone layer
is now steadily closing, but
its repair could actually
increase warming in the
southern hemisphere,
according to scientists. ... > full story
Springtime Ozone Increases Above Western North America Linked to Emissions from Abroad
Springtime ozone levels
above western North America
are rising primarily due to
air flowing eastward from
the Pacific Ocean, a trend
... > full story
Ethanol-Powered Vehicles Generate More Ozone Than Gas-Powered Ones
Vehicles running on ethanol
will generate higher
concentrations of ozone than
those using gasoline,
especially in the winter,
... > full story
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Snowflake Chemistry Could Give Clues About Ozone Depletion
December 9, 2009 — Ice chemists are studying the surface structure of snow crystals and why sharp transitions in shape occur at different temperatures. The differences they see not only explain why no two snowflakes ... > full story -
Rising Antarctic Snowmelt Forcast
December 3, 2009 — The 30-year record low in Antarctic snowmelt that occurred during the 2008-09 austral summer was likely due to concurrent strong positive phases for two main climate drivers, ENSO (El Nino, Southern ... > full story -
First Comprehensive Review of the State of Antarctica's Climate
December 1, 2009 — The first comprehensive review of the state of Antarctica's climate and its relationship to the global climate system has just been published. The review -- Antarctic Climate Change and the ... > full story -
Energy and the Environment
Renewable Energy
Environmental Science
Alternative Fuels
Environmental Issues
Air Quality
Glimpsing a Greener Future: Computer Model Foresees Effects of Alternative Transportation Fuels
November 17, 2009 — It's the year 2060, and 75 percent of drivers in the Greater Los Angeles area have hydrogen fuel cell vehicles that emit only water vapor. Look into Shane Stephens-Romero's crystal ball -- a computer ... > full story -
Tiny Bubbles Clean Oil from Water
November 16, 2009 — Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. Now, an engineer has developed an ... > 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 -
Links Between City Walkability And Air Pollution Exposure Revealed
November 2, 2009 — A new study compares neighborhoods' walkability (degree of ease for walking) with local levels of air pollution and finds that some neighborhoods might be good for walking, but have poor air ... > full story -
Air Pollution May Trigger Appendicitis
October 6, 2009 — A new study suggests that air pollution may trigger appendicitis in ... > 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 -
Changes In Earth's Ozone Layer Predicted To Increase UV Radiation In Tropics And Antarctica
September 16, 2009 — Physicists have discovered that changes in the Earth's ozone layer due to climate change will reduce the amount of ultraviolet radiation in northern high latitude regions such as Siberia, Scandinavia ... > full story
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