Cutting construction emissions with a new kind of cement
Karen Scrivener of École Polytechnique Fédérale de Lausanne (EPFL) explains how cement contributes significantly to climate change, comprising approximately 8 percent of total global carbon emissions. Karen highlights an innovative new cement known as LC3 that can cut carbon emissions from this important construction material by 40 percent if adopted on a larger scale.
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“In the coming decades, most construction will be in the global south, particularly India and Africa. These regions have excellent sources of clay, which can be calcined and substitute up to half, or even more, of classical cement to reduce CO2 while favoring the use of local materials, reducing transportation, and creating local employment.”
