Alpine tundra along Trail Ridge Road at Gore Range Overlook, Rocky Mountain National Park, Colorado.
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Zevengebergte - Jeroen Henneman, 1991
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The European route E45, the longest north–south European route with 5,190 kilometres
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Evening along Oxbow Drive, J-Six Ranch, Cochise County, Arizona.
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Over two three-month periods, researchers sampled air quality at five sites along metro Atlanta interstates and highways. When compared to similar sites without vegetation, the researchers found a 37% reduction in soot and a 7% reduction in ultrafine particles at sites with natural or ornamental vegetation.
The findings appear in the journal PLOS ONE.
“Trees and bushes near roadways don’t solve the problem of air pollution caused by motor vehicles, but they can help reduce the severity of the problem,” says lead author Roby Greenwald, associate professor in the Georgia State University School of Public Health.
Continue Reading.
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Segregated road system of the West Bank
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