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Rebuilt 35W bridge gets eco-friendly sculptures

We've heard of roads being built from pollution-eating concrete before. In Minneapolis, Minnesota, though, it's the roadside sculptures being made from the eco-friendly new concrete from Cemstone. Apparently, the unique mixture used for the wave-like sculptures is photocatalytic, meaning that it uses light to remove carbon monoxide, nitrous oxides and sulfur dioxide from the atmosphere. The outside skin of the sculptures will always be oxidized, which then oxidizes the pollution-causing gases as they come into contact with its white outer ... Read more →

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