Cleaning air with smog-eating building surfaces

03/17/2014 |

Buildings with smog-eating facades have become a trend in which surfaces such as concrete and metal are treated with a layer of titanium dioxide, for a surface that transforms pollutants into water vapor and carbon dioxide, Matt Shaw writes. The solution was applied to the thermoformed plastic shells on the facade of the Manuel Gea Gonzalez Hospital in Mexico City. Another example is the "Wendy" project, which used the same process on fabric and was able to eliminate smog equivalent to emissions from 260 cars in New York City, Shaw writes.

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