Posts Tagged ‘ozone’
Sunlight on snow reacts to clean Arctic air
PURDUE (US) — Rising surface temperatures in the Arctic could affect a unique chemical reaction that helps rid the air of pollutants, experts report. Continue…
Tuesday, April 16, 2013 16:34 - 1 Comment
Earth & Environment - Apr 2, 2013 15:14 - 0 Comments
Bump in ozone bewilders bugs
PENN STATE (US) — Increases in ground-level ozone, especially in rural areas, not only interfere with the ability of predator insects to find host plants but also with pollinators to find flowers. (more…)
Health & Medicine - Feb 19, 2013 12:59 - 0 Comments
Ozone levels ramp up cardiac arrests
RICE (US) — There’s a direct correlation between out-of-hospital cardiac arrests and levels of air pollution and ozone, say researchers whose work has prompted more CPR training in at-risk communities. (more…)
Earth & Environment - Feb 4, 2013 11:17 - 0 Comments
Ozone loss is biggest factor in jet stream shift
PENN STATE (US) — While both ozone depletion and greenhouse gases are helping shift the Southern Hemisphere jet stream to the south, a new analysis suggests ozone loss is having the biggest effect. (more…)
Earth & Environment - Mar 29, 2012 8:35 - 0 Comments
Federal rules cut state ozone output
RICE (US) — A new state-by-state study finds that federal emissions standards have effectively lowered ozone levels since 2004. (more…)
Earth & Environment - Jan 30, 2012 13:03 - 1 Comment
American ozone depletes European wheat
U. LEEDS (UK) — Air pollution from North America causes Europe to lose 1.2 million tons of wheat a year, a new study shows. (more…)
Earth & Environment - Oct 18, 2011 10:02 - 5 Comments
In experimental forest, trees soak up CO2
U. MICHIGAN (US) — North American forests appear to have a greater capacity to soak up heat-trapping carbon dioxide gas than previously thought. (more…)
Earth & Environment - Nov 2, 2010 16:24 - 1 Comment
Is ozone underestimated?
CALTECH (US) — In the most polluted parts of Los Angeles—and on the most polluted days in those areas—current prediction models are underestimating ozone levels by between 5 to 10 percent. (more…)
Earth & Environment - Oct 6, 2010 10:52 - 1 Comment
Air pollution inflames asthma
UC BERKELEY / STANFORD (US) — Exposure to dirty air is linked to decreased function of a gene that appears to increase the severity of asthma in children. (more…)
Earth & Environment - Jul 22, 2010 11:41 - 1 Comment
Picking up the pace of crop development
U. ILLINOIS (US)—Global grain production must double by 2050 to address rising population and demand and unless new approaches to adapt crop plants to climate change are adopted, yields will suffer, according to a new study. (more…)
Earth & Environment - Jan 20, 2010 15:06 - 0 Comments
Ozone spike linked to overseas emissions
COLORADO (US)—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 Asia. (more…)
Earth & Environment - Nov 12, 2009 15:23 - 1 Comment
How walkable is your neighborhood?
U. MINNESOTA (US)—Life in the suburbs may not be all its cracked up to be. A new study finds that the suburbs fare poorly in both walkability—the degree of ease for walking—and in pollution levels. (more…)
Earth & Environment - Oct 26, 2009 16:29 - 0 Comments
CO2 not the only gorilla in the room
UC BERKELEY (US)—When world leaders meet in Copenhagen in December to hash out a treaty limiting carbon dioxide emissions, they should begin planning a future summit to address other pollutants—from soot to ozone—that don’t remain in the atmosphere as long as carbon dioxide, but nevertheless are major contributors to global warming. (more…)
Earth & Environment - Sep 28, 2009 11:17 - 0 Comments
Portable device uses lasers to detect pollutant
PRINCETON/RICE (US)—A newly developed portable device could make it much easier to detect nitric oxide, a serious pollutant that plays a role in the body, affecting heart rate, blood flow, nerve signals, and immune function. (more…)
Earth & Environment - Jul 22, 2009 10:52 - 0 Comments
In the air, ozone and some nasty chemistry
UC IRVINE (US)—Burn tons of fossil fuels. Pump those chemicals into the air where they react with hydrochloric acid from airborne sea salt on buildings and roads. What you get is smog-forming chlorine atoms—and a recipe for choking air pollution—a new study finds. (more…)
