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Chemicals That Eased One Environmental Problem May Worsen Another
March 3, 2010 — Chemicals that helped solve a global environmental crisis in the 1990s -- the hole in Earth's protective ozone layer -- may be making another problem -- acid rain -- worse, scientists are reporting. ... > full story -
Emissions of Potent Greenhouse Gas Increase Despite Reduction Efforts
January 31, 2010 — Despite a decade of efforts worldwide to curb its release into the atmosphere, scientists have measured increased emissions of a greenhouse gas that is thousands of times more efficient at trapping ... > full story -
Ozone Hole Healing Could Cause Further Climate Warming
January 25, 2010 — The hole in the ozone layer is now steadily closing, but its repair could actually increase warming in the southern hemisphere, according to ... > full story -
Springtime Ozone Increases Above Western North America Linked to Emissions from Abroad
January 20, 2010 — Springtime ozone levels above western North America are rising primarily due to air flowing eastward from the Pacific Ocean, a trend that is largest when the air originates in ... > full story -
Ethanol-Powered Vehicles Generate More Ozone Than Gas-Powered Ones
December 14, 2009 — Vehicles running on ethanol will generate higher concentrations of ozone than those using gasoline, especially in the winter, researchers have found. That could create new health concerns in areas ... > full story -
Snowflake Chemistry Could Give Clues About Ozone Depletion
December 7, 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
November 30, 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
Energy and Resources
Alternative Fuels
Environmental Issues
Glimpsing a Greener Future: Computer Model Foresees Effects of Alternative Transportation Fuels
November 16, 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
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