Brent Constantz, a Stanford Professor, has invented a new type of concrete that could eliminate a significant source of the world’s C02. 2.5 billion tons of hydraulic cement is produced worldwide annually, producing roughly 5% of the world’s C02 emissions. That’s more than enough concrete to pave an eight-lane highway from the Earth to the moon and back again - twice. If you stayed on the planet, that same eight-lane highway would circle the Earth almost 40 times. Here’s an article by Carrie Sturrock from the SF Chronicle about Constantz, and the new concrete that just might be a ‘game changer.’
Archive for September 4th, 2008
Thursday, September 04th, 2008 | Author: Rich
Category: Facts & Figures, Green Initiatives, Technology
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