Cleaning air pollution is a task usually assigned to urban green areas. The next solution in improving air quality could be smog-busting roof tiles.
A research has revealed the potential of roofing tiles to turn every house into a spot for clean air.
Students at University of California found that titanium dioxide, a chalky-white compound, breaks down the nitrogen oxides into much less harmful compounds. Ordinary clay roof tiles sprayed with titanium dioxide removed 88% to 97% of nitrogen oxide pollution from the air. It has been calculated that if 1 million roofs were sprayed with the smog-eating compound, the tiles could remove 21 tons of nitrogen oxides from the air each day.
Beijing might like this method to solve its big smog problem, one tile at a time!
Read more at UCR Today
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