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Study finds Roman concrete, while high in CO2, emits fewer air pollutants than modern versions.
A recent study in iScience compares the environmental impact of Roman concrete to modern versions.
Though Roman concrete produces similar or higher CO2 emissions, it emits significantly fewer air pollutants like nitrogen oxide and sulfur oxide.
Made from volcanic ash and lime, it is durable and long-lasting, potentially reducing the need for frequent replacements.
Researchers suggest these ancient methods could offer lessons for making today's concrete more sustainable.
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El estudio encuentra que el concreto romano, aunque alto en CO2, emite menos contaminantes atmosféricos que las versiones modernas.