Wednesday, June 13, 2018

Trap CO2 in concrete

Concrete is the most prevalent man-made material but the cement it’s made with has a huge carbon footprint, thanks to the chemistry involved. A number of people have been working on methods to inject CO2 into the concrete to trap it forever. It makes the concrete stronger so you can use less cement. Now there is a commercial product that’s being used to build a large building in Atlanta.

"If this technology is deployed across the globe, we could reduce about 700 megatons of CO2 each year. That's the same as taking 150 million cars off the road every year," Gamble said.

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