It’s a major contributor to climate change — the way buildings and roads are made with concrete. It’s also a problem that’s growing as more of the world develops. So the race has been on to find ...

To make aerated concrete, add a foam-forming agent and stir in a significant amount of air. This serves to make the concrete ...

Researchers around the world are working to find ways to make concrete greener, including at the University of Pennsylvania.

It’s a major contributor to climate change — the way buildings and roads are made with concrete. It’s also a problem that’s growing as more of the world develops. So the race has been on to find ...

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