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Can Skyscrapers Fight Pollution?

Two Hong Kong architects believe that as we pollute the air, our skyscrapers can help clean up the mess. Frederick Givens and Benny Chow‘s “Indigo Tower” features a “nano-coating of titanium dioxide,” designed to neutralize pollution when it hits the building. The tower would even work at night: “Photovoltaic panels would capture enough energy from the sun to allow the production of indigo light (near the UV portion of the spectrum) during evening hours.” The purple glow would be visible for miles. [%comments]


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