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Credits: Photo: Rodolpho Quirós/Pexels Previous image Next image Just along concrete’s gray surface, a chemical reaction is occurring. Known as carbonation, this reaction forms calcium carbonate, a benign chalk-like material, but it can also affect climate change. That’s because calcium carbonate forms when CO 2 from the air reacts with water in concrete pores, and then with calcium compounds in concrete meaning that concrete is a potential carbon sink. Estimating the extent of its carbon uptake at scale, however, has proven difficult . In a new paper, MIT researchers investigate the carbon uptake of all pavements in the United States. The study finds that the carbonation process could offset 5 percent of the CO

United statesFengdi guoJeremy gregoryHessam azarijafariRandolph kirchainMaterials research laboratorySustainability hubDirector jeremy gregoryUnited states additionallyஒன்றுபட்டது மாநிலங்களில்ஜெர்மி கிரெகொரிபொருட்கள் ஆராய்ச்சி ஆய்வகம்நிலைத்தன்மை மையம்இயக்குனர் ஜெர்மி கிரெகொரிஒன்றுபட்டது மாநிலங்களில்