Cement and Alternatives in the Anthropocene

IF 15.5 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Annual Review of Environment and Resources Pub Date : 2024-08-07 DOI:10.1146/annurev-environ-112621-070104
Sabbie A. Miller, Maria Juenger, Kimberly E. Kurtis, Jason Weiss
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Abstract

Globally, the production of concrete is responsible for 5% to 8% of anthropogenic CO2 emissions. Cement, a primary ingredient in concrete, forms a glue that holds concrete together when combined with water. Cement embodies approximately 90% of the greenhouse gas emissions associated with concrete production, and decarbonization methods focus primarily on cement production. But mitigation strategies can accrue throughout the concrete life cycle. Decarbonization strategies in cement manufacture, use, and disposal can be rapidly implemented to address the global challenge of equitably meeting societal needs and climate goals. This review describes (a) the development of our reliance on cement and concrete and the consequent environmental impacts, (b) pathways to decarbonization throughout the concrete value chain, and (c) alternative resources that can be leveraged to further reduce emissions while meeting global demands. We close by highlighting a research agenda to mitigate the climate damages from our continued dependence on cement.
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人类世的水泥与替代品
在全球范围内,混凝土的生产占人为二氧化碳排放量的 5%至 8%。水泥是混凝土的主要成分,与水结合后形成胶水,将混凝土粘合在一起。水泥约占混凝土生产过程中温室气体排放量的 90%,因此脱碳方法主要集中在水泥生产过程中。但是,减排策略可以贯穿整个混凝土生命周期。水泥生产、使用和处置过程中的脱碳策略可以快速实施,以应对公平满足社会需求和气候目标的全球性挑战。本综述介绍了:(a)我们对水泥和混凝土依赖的发展及其对环境的影响;(b)在整个混凝土价值链中实现脱碳的途径;以及(c)在满足全球需求的同时,可用于进一步减排的替代资源。最后,我们强调了一项研究议程,以减轻我们对水泥的持续依赖对气候造成的破坏。
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来源期刊
Annual Review of Environment and Resources
Annual Review of Environment and Resources 环境科学-环境科学
CiteScore
24.10
自引率
1.80%
发文量
33
审稿时长
>24 weeks
期刊介绍: The Annual Review of Environment and Resources, established in 1976, offers authoritative reviews on key environmental science and engineering topics. It covers various subjects, including ecology, conservation science, water and energy resources, atmosphere, oceans, climate change, agriculture, living resources, and the human dimensions of resource use and global change. The journal's recent transition from gated to open access through Annual Reviews' Subscribe to Open program, with all articles published under a CC BY license, enhances the dissemination of knowledge in the field.
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