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By Rose Ragsdale
For Metal Tech News 

MIT team bakes up lower CO2 concrete

Baking soda is secret ingredient to shrinking carbon footprint Metal Tech News - April 3, 2023


Last updated 4/21/2023 at 4:35am

Concrete being poured at a construction site.

Adobe Stock

Used for everything from sidewalks to skyscrapers, concrete is the second-most consumed material on Earth and accounts for roughly 8% of global carbon dioxide emissions.

Solid and durable, concrete is the second-most consumed material on Earth, surpassed only by water. The gray, porous building material is also the foundation of modern infrastructure.

But concrete leaves a hefty carbon footprint on the environment. During its manufacture, large quantities of carbon dioxide are released into the atmosphere, both as a chemical byproduct of cement production and...

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