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This is Scientific American 60-Second Earth. I'm David Biello. Your minute begins now.

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Can poetry fight air pollution?

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Turns out it can, with the help of nanotechnology.

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Tony Ryan is a polymer chemist at the University of Sheffield.

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He works with tiny particles of titanium dioxide,

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which can use sunlight to suck up smog-forming pollution and purify the air.

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To demonstrate the effect, Ryan attached a poster 20 meters tall and 10 meters wide to the side of a building in Sheffield on May 14th.

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The poster is coated with titanium dioxide and can consume the nitrogen oxide exhaust of about 20 cars per day.

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He argues that every billboard could be similarly treated to suck up pollution at an extra cost of just a few hundred dollars.

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The Sheffield poster comments on its own function.

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Written on it is a new work by poet Simon Armitage entitled "In Praise of Air."

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I'll give him the final words:

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"on days when thoughts are fuddled with smog

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or civilization crosses the street with a white handkerchief over its mouth

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and cars blow kisses to our lips from theirs

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I turn the key, throw back the lid, breathe deep.

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My first word, everyone's first word, was air."

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Your minute is up, for Scientific American 60-Second Earth. I'm David Biello.

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