Articles with the keyword: 
Pollution from traffic "hinders heart pacing" in recent heart patients
jerry submitted, created time 3 weeks 5 days (news.bbc.co.uk)
Air pollution from traffic hinders the heart's ability to conduct electrical signals, a study has suggested. Exposure to small particulates - tiny chemicals caused by burning fossil fuels - caused worrying changes on the heart traces of forty-eight heart patients. Doctors are recommending that heart patients avoid driving and stay away from heavy traffic for a few days after surgery, but will that be enough? 
Sedum breathes easily in New York City
Darkfrog submitted, created time 1 month 1 week (www.nytimes.com)
New York City is offering a tax abtements to businesses--particularly gas-chugging businesses--that create "green" roofs. The shrubberies absorb unpleasant gasses and rainwater during downpours, preventing it from becoming tainted runoff. It also seems that layers of rocks and plants, instead of wearing a roof out sooner, can prolong its life. Even so, it can be hard to tally up just how the businesses save money. Also, they can be critically expensive to install, especially in New York, which is why New York has so few shrubby roofs compared to European cities or even Chicago
Air pollution can affect weekend weather
Darkfrog submitted, created time 1 month 3 weeks (www.nature.com)
The only thing that separates a Thursday from a Sunday is human convention ...and now the weather. According to this article, human behaviors such as driving cars can affect the weather. We already knew that, right? Well the cool part is that behaviors that depend on the type of day--say, the weekday rush hour--can cause the weather to differ depending on whether it's a working day or a weekend by affecting the number of condensation nuclei in the air.
The effects differ by region and season. Spain has been getting sunnier winter weekends and colder and wetter summer weekends
Many little parasites add up to one big biomass
sea-maid submitted, created time 2 months 1 week (environment.newscientist.com)
Parasites are small, but they punch above their weight in terms of their effects on other life forms. Now it turns out that the amount of parasites in an ecosystem physically weighs more than the top predators.
It was previously thought parasites did not contribute much biomass when put against that of other animals and plants. To check this, Armand Kuris of the University of California, Santa Barbara, and colleagues painstakingly estimated the biomass of animals, plants and parasites in three estuaries in California and Baja California
Answer to Carbon Emissions May Lie Under the Sea
jerry submitted, created time 2 months 2 weeks (sciencenow.sciencemag.org)
Scientists may have found a way to chemically lock up a trillion metric tons of carbon dioxide, many times the expected global carbon emissions over the next century. The plan involves injecting the greenhouse gas into huge formations of the porous volcanic rock basalt that lie on the sea floor. The approach would be expensive, however, and a host of questions remain about the technique.
Exposure to PCBs decreases likelihood of giving birth to boys
kavin submitted, created time 2 months 2 weeks (www.ehjournal.net)
Women exposed to high levels of PCBs (polychlorinated biphenyls - a group of banned environmental pollutants) are less likely to give birth to male children.
A study published today in BioMed Central's open access journal Environmental Health found that among women from the San Francisco Bay Area, those exposed to higher levels of PCBs during the 50s and 60s, were significantly more likely to give birth to female children
sea-maid submitted, created time 2 months 3 weeks (www.nature.com)
Growth of the electronics industry will boost emissions of a "hidden"—but extremely potent—greenhouse gas. Nitrogen trifluoride is used in the production of semiconductors, but it's not mentioned anywhere on the Kyoto Protocol.
The bright side of biofuels isn't so bright
Darkfrog submitted, created time 2 months 3 weeks (sciencenow.sciencemag.org)
The argument in favor of biofuels--petroleum-replacement fuels made from plants like corn, soybeans and switchgrass--is that while burning oil releases new carbon into the air, burning biofuels would release only the carbon that the plants had absorbed from the air during their growth cycle. The net effect would be zero.
However, if one looks at the big picture, biofuels lose their luster. Not only has the conversion of food farms to fuel farms driven up food prices worldwide, but in the tropics, farmers are cutting down carbon-absorbing forests for corn plantations
Risk of Dying Linked to Low Vitamin D
kavin submitted, created time 3 months 1 week (www.webmd.com)
A new study shows that people who have low levels of vitamin D in their blood had a greater risk of dying.
Researchers led by Harald Dobnig, MD, of the Medical University of Graz, Austria, tracked 3,258 men and women who had been referred for an angiogram of their heart arteries. More than two-thirds had significant blockages in their coronary arteries.
The patients were followed for about eight years. During that time, 737 of them died, including 463 from cardiovascular problems
kavin submitted, created time 4 months 4 days (www.sciencenews.org)
The neurotoxic effects of headgear laced with mercury had been recognized anecdotally for years. In the research, Cupriavidus metallidurans, a microbe that flourishes on metal and is not dangerous to humans has been found. It has a set of proteins that turns mercury into a form that evaporates into the air.
Pollution Boosts Risk of Blood Clots As Well
sea-maid submitted, created time 4 months 3 weeks (www.efluxmedia.com)
In our opinion, it has long been known that pollution has noxious repercussions on our health, but no study stated that it might raise the risk of deep vein thrombosis (DVT) until today. In this study,we can found that the pollution can boost risk of blood clots.
Air pollution boosts deep vein thrombosis
kavin submitted, created time 4 months 3 weeks (www.sciencenews.org)
Air pollution dramatically boosts an individual’s risk of developing deep vein thrombosis. People with DVT typically develop clots in the leg or thigh. If those clots break off and travel, especially to the lungs, organ damage or death may follow.
Climate Change Jeopardizes Koalas
jerry submitted, created time 4 months 4 weeks (www.time.com)
A researcher says koala numbers are threatened because gas saps nutrients from eucalyptus leaves with are the animals' only food source.
Fungi can stabilize uranium pollutants!
Darkfrog submitted, created time 5 months 21 hours (sciencenow.sciencemag.org)
U.S. military equipment uses depleted uranium. Its density makes it very useful for armor and munitions. However, even though it is less radioactive than regular uranium, the tiny particles that are released on contact can still leave soil and water supplies dangeously polluted. Researchers have foudn a naturally occuring mycorrhizal fungus that can convert uranium particles into a stable form that will not enter the food chain.
Sue Wu submitted, created time 5 months 2 weeks (sciencenow.sciencemag.org)
The U.S. Environmental Protection Agency (EPA) should consider deaths caused by ozone when it sets air-quality standards, according to a report released today by the National Academies' National Research Council (NRC). "This is an important result," because it will justify a tighter standard, says George Thurston, an environmental scientist at New York University in New York City.
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