News tagged with pollution levels
Related topics: air quality
Elevated CO2 levels may mitigate losses of biodiversity from nitrogen pollution
Rising levels of carbon dioxide may overheat the planet and cause other environmental problems, but fears that rising CO2 levels could directly reduce plant biodiversity can be allayed, according to a new study by a University ...
Dec 03, 2009 |
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Research gives new meaning to 'green' cross code
Pedestrians could reduce the amount of traffic pollution they breathe in simply by crossing the street, according to the latest research from the University of Leeds.
Oct 05, 2009 |
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Water quality improves after lawn fertilizer ban, study shows
(PhysOrg.com) -- In an effort to keep lakes and streams clean, municipalities around the country are banning or restricting the use of phosphorus-containing lawn fertilizers, which can kill fish and cause ...
Aug 17, 2009 |
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Summer is here and the mercury is rising… literally
Hot town, summer in the city. When it comes to air-quality advisories, city residents are no strangers, especially during the dog days of summer. But smog is made up of an array of air pollutants, including ...
Jul 15, 2009 |
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Report: Most Americans in areas with unhealthy air
(AP) -- Sixty percent of Americans live in areas with unhealthy air pollution levels, despite a growing green movement and more stringent laws aimed at improving air quality, the American Lung Association ...
Apr 29, 2009 |
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Plants absorb more carbon under hazy skies
Plants absorbed carbon dioxide more efficiently under the polluted skies of recent decades than they would have done in a cleaner atmosphere, according to new findings published this week in Nature.
Space & Earth / Earth Sciences
Apr 22, 2009 |
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Nutrient Pollution Chokes Marine and Freshwater Ecosystems
Protecting drinking water and preventing harmful coastal "dead zones", as well as eutrophication in many lakes, will require reducing both nitrogen and phosphorus pollution. Because streams and rivers are ...
Biology /
Feb 19, 2009 |
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Study: Cleaner air adds 5 months to US life span
A new study by researchers at Brigham Young University and Harvard School of Public Health shows that average life expectancy in 51 U.S. cities increased nearly three years over recent decades, and approximately five months ...
Jan 21, 2009 |
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