Some good news from the architectural press, for a change, on the carbon footprint of concrete. Technologies to improve the carbon footprint of concrete are currently in the early stages of development, but some, including carbon sequestration in concrete and substantial reductions of cement using energetically modified cement, are now commercially available. Concrete surface products for paving and walls to scrub air pollution, as well as new self-healing concrete products, are also worth investiga ting. We have heard about some of these innovations for a decade or more in the research community, but many are finally being brought to market—some more quickly than others.
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