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A new study suggests that storing carbon in building materials such as concrete, asphalt, and plastics could be an innovative solution to reduce carbon levels in the atmosphere. By integrating biochar, a carbon-rich substance derived from biomass, into these materials, CO2 can be trapped and stored for centuries. This method, known as carbon sequestration, has the potential to trap 1 gigaton of CO2 if just 10% of the world’s concrete production is made carbon-absorbent. The process is not only effective in reducing emissions but also utilizes existing industrial processes and requires less energy than traditional carbon capture methods. The use of biochar can also improve the durability of materials, making them more resistant to cracks and weathering. This breakthrough has the potential to transform the construction industry and promote a circular economy by reducing waste and emissions. While implementation will require collaboration between researchers, industries, and policymakers, the potential benefits are significant, and the urgency for scalable, long-term solutions to climate change has never been greater.

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