On a recent afternoon, Mehdi Rashidi was hard at work shattering concrete. He held up a concrete column, shaped like an extra tall soup can, for his colleagues to assess. “Should we break this one as ...

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 ...

Concrete is all around you—in the foundation of your home, the bridges you drive over, the sidewalks and buildings of cities. It is often described as the second-most used material by volume on Earth ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. It’s a major contributor to climate change — ...