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Researchers: Recycled Concrete's Time Has Come

Recycling in the construction industry has become big business. It's easy to find new life for everything from old windows to wood beams. But until now, concrete — the most widely used building material on Earth — has been largely left behind. That's a problem for the environment, says Notre Dame engineering professor Yahya Kurama, because concrete has a huge carbon footprint. "It’s very intensive in terms of its demands on energy, water, land space, everything."...

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