Manufacturing cement is an energy intensive process. Billions of tons of carbon dioxide are released into the air every year when cement is created. Brent Contstantz, a Stanford University scientist, claims to have discovered a way to create cement by absorbing carbon dioxide instead of releasing it. Vinod Khosla, one of the most successful VCs of all time, is so convinced he has used his own money to back Brent’s new venture, Calera. Read more about this story at Next Big Future.
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