Heirloom and Microsoft sign one of the largest permanent CO2 removal deals to-date
heirloomcarbon.com, September 7, 2023
„Microsoft has signed a long term contract to purchase up to 315,000 metric tons of CO2 removal over a multi-year period from Heirloom – a Direct Air Capture company that harnesses the natural properties of limestone to remove CO2 from the atmosphere – in one of the largest carbon dioxide removal deals to-date.“