How Concrete Becomes Climate Friendly

A process to make concrete will not only make concrete itself more sustainable but also help sequester carbon dioxide from ambient air.   March 16, 2023

By Greg Zimmerman, senior contributing editor

You might think “sustainable concrete” is an oxymoron, and traditionally, you’d be right. But an Arizona partnership between a manufacturer and a couple climate tech start-ups is hoping to make concrete itself more sustainable. 

Concrete is one of the more carbon-intense building products, and as a staple of modern construction, is a key contributor to any project’s carbon footprint. The partnership uses a two-pronged approach: First, the partnership will use a new technology to replace cement with blocks made from industrial waste. Then, they’ll use an onsite-process of curing the blocks with carbon dioxide, effectively removing large amounts of carbon from the ambient air, according to Grist.  

The manufacturer member of this three-way partnership says in a press release that the new process for manufacturing concrete blocks is no more expensive than traditional concrete blocks, making it a win-win from a cost and climate perspective. 

Greg Zimmerman is senior contributing editor for and Building Operating Management magazine. 


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