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Bury it, don’t burn it: turning biomass waste into a carbon solution
- A 3775-year-old well-preserved Eastern red cedar log found in Quebec, Canada, demonstrates the potential of biomass burial to trap carbon underground for centuries.
- Biomass burial involves burying waste biomass in conditions that prevent rapid decomposition, thus storing carbon dioxide absorbed from the atmosphere.
- Studies show that properly buried biomass can retain up to 97% of its carbon content even after a century.
- Researchers are exploring biomass burial as a simpler and cost-effective method to sequester carbon and combat climate change.
- Experiments are being conducted to understand the effectiveness of different burial conditions in preserving carbon in biomass.
- Forest management practices, such as burying woody material, are seen as crucial in reducing wildfire risks and emissions from burning forest residues.
- Biomass storage offers an environmentally friendly alternative to burning forest residues, which releases significant amounts of greenhouse gases.
- Companies like Graphyte are utilizing biomass burial to store waste biomass underground and prevent its decomposition, potentially storing millions of tonnes of CO2 annually.
- Biomass burial is considered a scalable and affordable carbon removal solution compared to other complex methods like direct air capture.
- The durability of carbon storage in buried biomass is a key factor in its effectiveness as a long-term carbon storage solution.
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