Dutch scientists have come up with a piece of ground-breaking (literally) technology to combat dangerous pollution caused by automobile emissions: air-purifying concrete.Motor vehicles release nitrogen oxides into the air, which leads to smog, acid rain and health problems. However, in the town of Hengelo, "green bricks" that contain a chemical addition of titanium oxide are being laid next to standard concrete. These innovative paving stones were developed from a Japanese prototype and in tests have used sunlight to bind the harmful particles emitted by cars together into safe nitrates.
The University of Twente will administer air quality tests in order to gauge the success and efficiency of this innovative concrete. These "green bricks" are meant to improve air quality as well as ward off dirt and grime from the road and they can be cleaned by a simple rain shower. Results of these tests will be taken soon and, if successful, this technology could have far-reaching environmental effects. full story
- Sam Madison
"EF's League of Conservation Voters"
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