Could one of the world’s most destructive materials become part of the solution to the climate crisis? After water, concrete is the second most consumed material on the planet, with a colossal 30 billion tonnes used each year.

It has a serious emissions problem though, accounting for more than 8% of all greenhouse gases in 2021. However, innovative new technology could offer a way to revolutionise the construction industry, creating new forms of concrete that actively capture and store CO2.

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