Source: World Economic Forum (video statements)
Concrete is the planet’s most widely used resource after water – responsible for up to 8% of #CO2 emissions.
To make cement, a key component of concrete responsible for the majority of its emissions, producers have to burn virgin limestone in kilns at high temperatures using fossil fuels. But Cemvision is pioneering a new cement called Re-Ment, which uses waste products from industry, fired at much lower temperatures in kilns powered by renewables.
Together, these measures can cut the #carbon footprint of cement by up to 95% compared with conventional alternatives.
Swedish energy giant Vattenfall has signed a deal with Cemvision to use the low-impact #cement in its renewable energy infrastructure.
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