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Efficient use of cement and concrete to reduce reliance on supply-side technologies for net-zero emissions.
- Source :
-
Nature communications [Nat Commun] 2022 Jul 18; Vol. 13 (1), pp. 4158. Date of Electronic Publication: 2022 Jul 18. - Publication Year :
- 2022
-
Abstract
- Decarbonization strategies for the cement and concrete sector have relied heavily on supply-side technologies, including carbon capture and storage (CCS), masking opportunities for demand-side intervention. Here we show that cross-cutting strategies involving both the supply and demand sides can achieve net-zero emissions by 2050 across the entire Japanese cement and concrete cycle without resorting to mass deployment of CCS. Our analysis shows that a series of mitigation efforts on the supply side can reduce 2050 CO <subscript>2</subscript> emissions by up to 80% from baseline levels and that the remaining 20% mitigation gap can be fully bridged by the efficient use of cement and concrete in the built environment. However, this decarbonization pathway is dependent on how CO <subscript>2</subscript> uptake by carbonation and carbon capture and utilization is accounted for in the inventory. Our analysis underscores the importance of including demand-side interventions at the heart of decarbonization strategies and highlights the urgent need to discuss how to account for CO <subscript>2</subscript> uptake in national inventories under the Paris Agreement.<br /> (© 2022. The Author(s).)
- Subjects :
- Paris
Carbon analysis
Carbon Dioxide metabolism
Subjects
Details
- Language :
- English
- ISSN :
- 2041-1723
- Volume :
- 13
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- Nature communications
- Publication Type :
- Academic Journal
- Accession number :
- 35851585
- Full Text :
- https://doi.org/10.1038/s41467-022-31806-2