Workflow
Carba Announces 5-Year Carbon Removal Credit Purchase Agreement with Microsoft
MicrosoftMicrosoft(US:MSFT) Newsfileยท2025-05-07 09:24

Core Viewpoint - Carba has entered a 5-year agreement with Microsoft to deliver 44,000 carbon removal credits, utilizing its innovative pyrolysis technology and burial method to effectively remove carbon dioxide and store biochar underground [1][3]. Company Overview - Carba is a carbon removal company based in Minneapolis, Minnesota, specializing in converting waste biomass and organic materials into stable biocarbon for pollution management and permanent carbon dioxide removal [7]. - The company employs a patented autothermal process and an anoxic burial method, which allows for carbon removal credits certified for over 1,000 years [7]. Technology and Methodology - Carba's pyrolysis technology stabilizes carbon from biogenic waste, transforming it into economically valuable biochar with high carbon content [3]. - The biochar will serve as an alternate daily cover in landfills, protecting it from degradation and potentially providing environmental co-benefits, such as reducing odors and remediating pollutants [5][6]. Financial and Operational Aspects - The project received a $7 million grant from the Department of Energy for a Carbon Negative Shot Pilot, indicating strong governmental support for its initiatives [7]. - The methodology used by Carba has been certified by Isometric, ensuring that each credit represents a permanently removed ton of carbon dioxide [7]. Strategic Partnerships - The agreement with Microsoft allows for the exploration of biochar's end-use and its co-benefits, while ensuring a straightforward monitoring and verification process for the carbon credits [6].