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11/14/2012 09:23 AM
World's First Net-Zero Stadium Hosts World Cup, Olympics
Brazil will be the host of the 2014 World Cup and 2016 Olympics and is renovating its biggest stadium, Estádio Nacional de Brasília, to prepare for those huge events.
When the renovation is finished this year it will be the first net-zero-energy stadium in the world and will be certified LEED-Platinum.
Besides increasing capacity to more than 70,000 seats, the $400 million conversion adds renewable energy and green transportation features.
Along with the green building features that are becoming standard practice these days, such as rainwater collection and water recycling, and a focus on natural lighting in the design, the stadium has some unique features.
The stadium's power will come from a ring of solar PV panels on the roof, which will also have a "photocatalytic membrane." That membrane is able to capture air pollution, break down the chemicals and remove them them from the atmosphere.
That will remove some of the carbon emissions related to transportation, which accounts for over half of the stadium's carbon footprint. Another way to eliminate those emissions is to provide access to clean transport - parking will be set aside specifically for 3500 bicycles, including 1,000 VIP spots inside the stadium.