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Study: air pollution may shorten telomeres in newbornsa sign of increased health risks

Green Car Congress

A study conducted before and after the 2004 closure of a coal-burning power plant in Tongliang, China, found that children born before the closure had shorter telomeres than those conceived and born after the plant stopped polluting the air. Results appear in the journal Environment International. —Deliang Tang.

Pollution 170
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Large scale epidemiological study associates PM2.5, NO2 pollution with kidney, bladder and colorectal cancer death

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Air pollution is classified as carcinogenic to humans given its association with lung cancer, but there is little evidence for its association with cancer at other body sites. The results were similar in two-pollutant models including PM 2.5 and NO 2 and in three-pollutant models with O 3. μg/m 3 increase in exposure.

Pollution 170
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PM2.5 pollution linked to blood vessel damage in healthy young non-smoking adults

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Fine particulate matter air pollution (PM 2.5 ) may be associated with blood vessel damage and inflammation among young, healthy adults, according to new research in Circulation Research , an American Heart Association journal. Air pollution is known to contribute to cardiovascular disease and related deaths. —Pope et al.

Pollution 150
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Latest EPA automotive trend report shows MY 2017 fleet fuel economy of 24.9 mpg; new record

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Since MY 2004, fuel economy and CO 2 emissions have improved in eleven out of thirteen years. Since 2004, CO 2 emissions have decreased 23%, or 104 g/mi, and fuel economy has increased 29%, or 5.6 miles per gallon, slightly higher than MY 2016, and a record high overall. Estimated Real-World CO 2 and Fuel Economy. Source: EPA.

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Measurements of CO2 and CO in China’s Air Indicate Sharply Improved Combustion Efficiency

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A team of atmospheric scientists and environmental engineers from Harvard University and Tsinghua University in Beijing have continuously measured atmospheric CO 2 and carbon monoxide (CO) levels in rural Miyun, about 100 km northeast of Beijing, since November 2004.

CO2 199
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DISCOVER-AQ project to begin flights to enhance measurement of ground-level air-quality from space

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The flights will be supported by the US Environmental Protection Agency (EPA) and will aid EPA in monitoring pollutants. The fundamental challenge for satellites measuring air quality is to distinguish between pollution near the surface and pollution higher in the atmosphere. Measuring pollution from space.

Ozone 186
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New mixed-oxide catalysts shown as viable substitute for platinum catalysts for diesel exhaust aftertreatment

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Nanostellar was founded in California in 2004 by scientists from Stanford University and NASA Ames Research Center. Many pollution control and renewable-energy applications require precious metals that are limited—there isn’t enough platinum to supply the millions and millions of automobiles driven in the world. Kyeongjae Cho.

Exhaust 240