Proposal to return to Roman concrete to make the construction industry more sustainable
The concrete used by the Roman Empire was used to build aqueducts, bridges and buildings that have lasted for over two thousand years. A study analyses whether returning to this ancient material would help to decarbonise modern cement. According to the authors, reproducing the recipe would require a similar amount of energy and water, with similar CO2 emissions; however, its durability could make it a more sustainable option. It is published in the Cell Press journal iScience.
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