Air pollution

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Aircraft noise raises blood pressure even whilst people are sleeping

Night-time noise from aircraft or traffic can increase a person’s blood pressure even if it does not wake them, according to a new study published today in the European Heart Journal.

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Carbon capture strategy could lead to emission-free cars

Researchers at the Georgia Institute of Technology have developed a strategy to capture, store and eventually recycle carbon from vehicles to prevent the pollutant from finding its way from a car tailpipe into the atmosphere. Georgia Tech researchers envision a zero emission car, and a transportation system completely free of fossil fuels.

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Asian tigers urged to reject polluting foreign investors

South East Asia's tiger economies should prize the long-term health of their environment above the ongoing short-term gains provided by foreign firms that pollute, economists have claimed.

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Pollution shrinks foetus size

Exposure to air pollution significantly reduces foetus size during pregnancy, according to a new study by Brisbane scientists.

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Air quality forecasts see future in space

Weather broadcasts have long been a staple for people planning their day. Now with the help of NASA satellites, researchers are working to broaden daily forecasts to include predictions of air quality, a feat that is becoming reality in some parts of the world.

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Tiny dust particles from Asian deserts common over western United States

It has been a decade since University of Washington scientists first pinpointed specific instances of air pollution, including Gobi Desert dust, traversing the Pacific Ocean and adding to the mix of atmospheric pollution already present along the West Coast of North America.

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Local sources major cause of US near-ground aerosol pollution

A new NASA study estimates that most ground-level particulate pollution in the United States stems from regional sources in North America and only a small amount is brought to the country from other parts of the world.

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Traffic control systems

Traffic flows account for as much as one-third of global energy consumption. But unconventional changes in managing traffic flow could significantly reduce such waste and lower harmful CO2 emissions, says Dirk Helbing.

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Air pollution from ship smokestacks linked to thousands of deaths

Smokestack emissions from ships cause tens of thousands of deaths each year in the world’s major port cities and coastal areas, according the first study on that topic, which is scheduled for the Dec. 15 issue of ACS’ Environmental Science & Technology, a semi-monthly journal.

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Time spent in car drives up air pollution exposure

The daily commute may be taking more of a toll than people realize. A new study by researchers at the University of Southern California (USC) and the California Air Resources Board found that up to half of Los Angeles residents’ total exposure to harmful air pollutants occurs while people are traveling in their vehicles.

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Space sensors shed new light on air quality

Air pollution is becoming one of the biggest dangers for the future of the planet, causing premature deaths of humans and damaging flora and fauna. With their vantage point from space, satellites are the only way to carry out effective global measurements of air-polluting emissions and their transboundary movement.

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Linking air pollutants, blood clotting in mice

Air pollution is caused by any particulate matter, chemical, or biological agent that changes the natural characteristics of the atmosphere. Exposure to particulate matter has been linked to an increased risk of heart problems, including increased risk of heart attack.

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