A new study by civil engineers and earth systems scientists reveals that common building materials like concrete and plastic have the potential to sequester vast amounts of carbon dioxide. This approach, combined with decarbonization efforts, could significantly help the world achieve its greenhouse gas reduction goals.
Construction materials such as concrete and plastic have the potential to lock away billions of tons of carbon dioxide, according to a new study by civil engineers and earth systems scientists. The study shows that combined with steps to decarbonize the economy, storing CO2 in buildings could help the world achieve goals for reducing greenhouse gas emissions. Construction materials such as concrete and plastic have the potential to store CO2.
Researchers found that while bio-based plastics could take up the largest amount of carbon by weight, by far the largest potential for carbon storage is in using carbonated aggregates to make concrete. That's because concrete is by far the world's most popular building material: Over 20 billion tons are produced every year. The feedstocks for these new processes for making building materials are mostly low-value waste materials such as biomass, Van Roijen said. Implementing these new processes would enhance their value, creating economic development and promoting a circular economy, she said. Some technology development is needed, particularly in cases where material performance and net-storage potential of individual manufacturing methods must be validated. However, many of these technologies are just waiting to be adopted, Miller said
CARBON SEQUESTRATION CONSTRUCTION MATERIALS CONCRETE PLASTIC CLIMATE CHANGE
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