A new concrete mixture is stronger and can absorb carbon dioxide from the air. It combines porous zeolite with bamboo biochar, boosting compressive strength by 7.48% and tensile strength by 15% compared with conventional concrete, capturing about 1.2 grams of CO₂ per day.
scitechdaily.com/scientists-create-stronger-concrete-that-absorbs-co2-from-the-air/