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Architecture in Italy goes green
Elisabetta Povoledo
Nov. 26, 2006
When the American architect Richard Meier was asked to create a church in Rome to commemorate the 2,000th anniversary of Christianity, he designed an imposing white concrete structure dominated by three soaring "sails."
The project's main technical sponsor got to work on a cement that would enhance Meier's trademark white sculptural forms. It came up with a material that essentially cleans itself, minimizing the need for maintenance.
What the sponsor, Italcementi Group, did not know at the time was that the new material - which contained titanium dioxide, a compound used as a white pigment - had another peculiarity. It "eats" surrounding smog.
Website: http://www.iht.com/articles/2006/11/22/news/smog.php
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