High-Tech Mexico City Hospital Building 'Eats' Smog Lindsey Tugman - CNN
go to original July 22, 2013

Mexico City has a pollution problem. So why not have buildings that eat smog? CNN's Nick Parker has the story. (CNN)

MEXICO CITY - Twenty years ago, the air in Mexico City was considered the worst in the world. It was so badly polluted that on one day, birds fell dead out of the sky. Since then, the city has worked to clean up its act. But traffic remains a major problem.

Streets are still clogged with carbon-emitting vehicles. But one new building can counteract the effect of one-thousand cars.

A hospital tower in the city also has a very unique feature: it "eats" smog. The façade is coated in a special material which when hit by sunlight's UV rays begins to break down pollutants into less harmful substances. The designers say it neutralizes the effects of 1000 cars a day.

Although pollution levels have declined, Mexico City is still grappling with being a megalopolis and the intrinsic problems it brings: There are some four and half million cars registered here and that number grows by about 200,000 every year.

Read the rest at thv11.com

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