On a scorching July morning at a testing facility outside of Paris, a cadre of scientists, engineers, and architects wearing hard hats and safety goggles watched through protective glass as a machine ...

This is an archived article and the information in the article may be outdated.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 — ...

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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 ...