Building materials could store more than 16 billion tonnes of CO 2 annually

IF 44.7 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Science Pub Date : 2025-01-09 DOI:10.1126/science.adq8594

Elisabeth Van Roijen, Sabbie A. Miller, Steven J. Davis

引用次数: 0

Abstract

Achieving net-zero greenhouse gas emissions likely entails not only lowering emissions but also deploying carbon dioxide (CO 2 ) removal technologies. We explored the annual potential to store CO 2 in building materials. We found that fully replacing conventional building materials with CO 2 -storing alternatives in new infrastructure could store as much as 16.6 ± 2.8 billion tonnes of CO 2 each year—roughly 50% of anthropogenic CO 2 emissions in 2021. The total storage potential is far more sensitive to the scale of materials used than the quantity of carbon stored per unit mass of materials. Moreover, the carbon storage reservoir of building materials will grow in proportion to demand for such materials, which could reduce demand for more costly or environmentally risky geological, terrestrial, or ocean storage.

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来源期刊

Science 综合性期刊-综合性期刊

CiteScore

61.10

自引率

0.90%

发文量

审稿时长

2.1 months

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