Articles with the keyword:
11

First ozone measurements from Everest's peak

sea-maid submitted, created time 3 weeks 3 days (www.nature.com)

The first ozone measurement taken on the summit of Mount Everest has revealed surprisingly high levels of ozone, which scientists involved in the expedition suggest might have originated from urban pollution.

7

Pollution from traffic "hinders heart pacing" in recent heart patients

jerry submitted, created time 2 months 1 week (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?

9

Sedum breathes easily in New York City

Darkfrog submitted, created time 2 months 3 weeks (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

7

Air pollution can affect weekend weather

Darkfrog submitted, created time 3 months 1 week (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

8

Risk of Dying Linked to Low Vitamin D

kavin submitted, created time 4 months 4 weeks (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

11

Pollution Boosts Risk of Blood Clots As Well

sea-maid submitted, created time 6 months 1 week (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.

10

Air pollution boosts deep vein thrombosis

kavin submitted, created time 6 months 1 week (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.

5

Smog harmful to health

Sue Wu submitted, created time 7 months 5 hours (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.

5

Pneumonia "linked" to pollution

Sue Wu submitted, created time 7 months 1 week (www.24dash.com)

Thousands of people have died in recent years from pneumonia caused by pollution, a study out today suggests.

6

How pollution can help to clean the air

sumsung submitted, created time 8 months 1 day (www.nature.com)

Some types of air pollution might be doing a good turn by creating extra doses of atmospheric cleaner, according to new research. A lab study has shown how nitrogen oxides, a largely agricultural pollutant, can help to make hydroxyl radicals — the natural cleaner-upper of our dirty atmosphere. But in doing so they can also produce more ozone, the major component of smog.

7

Carbon dioxide and pollution

Sue Wu submitted, created time 8 months 2 weeks (sciencenow.sciencemag.org)

After analyzing pollution levels for carcinogens, ozone, and particulates, Jacobson found that each degree of warming caused by CO2 could be responsible for roughly 1000 deaths to the 50,000 to 100,000 annual deaths in the U.S.

8

Researchers suggest fuels pulled from the air, but there are problems

Darkfrog submitted, created time 9 months 1 week (dotearth.blogs.nytimes.com)

Drawing CO(2) from the air for fuel would be truly carbon-neutral. The catch here seems to be that the energy to do the drawing would have to come from somewhere. This particular lab suggests nuclear power, which is cleaner and safer than its public image would suggest but carries the attending problems of the time and money it takes to build facilities (and of bothering the Navajos again for their uranium, maybe after a few hundred years of not screwing them over). Other researchers at Columbia U. propose a solarthermal solution. Which seems more feasible to you guys?

7

The Latest Weapon Against Global Warming

Sue Wu submitted, created time 9 months 1 week (discovermagazine.com)

The Latest Weapon Against Global Warming: Your Fridge
Smart appliances react to the grid to prevent blackouts—and pollution.

7

Underestimated Nitrogen Pollution

Sue Wu submitted, created time 9 months 2 weeks (www.nature.com)

Long-term effects of low-level pollution may have been underestimated.

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