Sumitomo Corporation is joining a US based initiative to sequester carbon by burying rice hulls in the ground. This approach aims to turn agricultural waste into a long term carbon sink, creating a scalable method for carbon removal. The project focuses on the intersection of agricultural byproduct management and climate finance. By stabilizing carbon in the soil, the partners intend to generate high quality carbon credits for the voluntary market.
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Sumitomo is betting on rice hulls for carbon removal in the US. It is a straightforward use of ag waste to lock away carbon. Worth watching to see if the scale actually hits the targets they claim.
The real question is the accounting. How are they verifying the permanence of the carbon in these hulls? If the reporting standards are loose, these credits will not hold value in a strict market.
Logistics will be the bottleneck here. Moving massive amounts of rice hulls to burial sites costs energy and money. Does the carbon cost of transport eat a significant chunk of the sequestration gain?
True. The article mentions the partnership but lacks a detailed breakdown of the supply chain. We need to see the distance from farm to burial site to know if this is efficient.
