Next Step for Sustainable Cities: Smog-Eating Buildings
Imagine if the materials a skyscraper is made from could eliminate the pollution it produces?
Pollution in big cities is a big problem, but thankfully there are people out there taking steps to make cities sustainable. Aluminium producer Alcoa has developed a building material which feeds on smog to clean itself and the surrounding air.
Reynobond with Ecoclean is an aluminium panel coated with titanium dioxide which decomposes fumes and pollutants using sunlight as a catalyst. Only the smallest amount of rain is then required to wash away the now harmless particles. Pilot testing of the panels is taking place in Europe and North America.
We all know trees have air-cleansing properties, but Alcoa claims that just under 1000 square metres of the panelling would be the equivalent to the power of 80 trees. And while the parts can be pricey, they will mean a reduction in maintenance costs for buildings.
[Via Fast Company]
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