Gallery: Researchers Discover Key to Super-Durable Ancient Roman Concre...


Concrete is one of the world’s most widely-used building materials, and it has an enormous carbon footprint – but researchers recently unearthed clues to a more environmentally-friendly concrete mixture used by the Romans 2,000 years ago. Paulo Monteiro of the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab), a professor of civil and environmental engineering at the University of California, Berkeley led the team that discovered a 2,000-year-old breakwater in the Mediterranean Sea that was produced using a fraction of the energy required to create modern concrete – and it’s more durable to boot.

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