Concrete's natural absorption of CO₂ does little to offset emissions from cement production, study finds

Concrete's natural absorption of CO₂ does little to offset emissions from cement production, study finds

Concrete slowly absorbs small amounts of carbon dioxide from the air over its lifetime, a natural process sometimes proposed as a solution to the cement industry's heavy carbon footprint. But a new UCLA-led study finds that this passive absorption process is far too slow and too small in scale to meaningfully offset the emissions released when cement is made.

UCLA study questions carbon uptake potential of concrete

Natural carbonation of concrete offsets less than 10 per cent of the cement industry's annual CO 2 emissions, according to a new UCLA-led study published i...