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6 March 20252 March 2025

United Sustainable Flight Fund Invests in Heirloom to Scale Direct Air Capture

Sustainable Flight Fund also gets the right to purchase up to 500,000 tons of carbon dioxide removal - Heirloom's proven technology uses limestone to absorb CO2


Nachhaltigkeitsfonds von United Airlines investiert in Direct Air Capture Anbieter 

Fonds erwirbt außerdem das Kaufrecht für 500.000 Tonnen abgeschiedenes CO2 – Heirloom-Verfahren setzt auf Kalkstein, um der Luft Kohlenstoffdioxid zu entziehen


11 March 20246 March 2024

CO2 aus der Luft filtern bleibt teurer als erhofft

ETH-​Forschende berechnen, dass es im Jahr 2050 zwischen 230 und 540 Dollar kosten könnte, eine Tonne CO2 aus der Luft zu entfernen. Bisher ging man von halb so hohen Kosten aus


14 April 202212 April 2022

Direct Air Capture Startup Heirloom Raises $53MM Series A, Among the Largest Investments in New Carbon Removal Technologies

Raise Co-Led by Carbon Direct Capital Management, Ahren Innovation Capital, and Breakthrough Energy Ventures, for first major deployment


31 March 202228 March 2022

Carbon-Capture Startup Using Dirt Cheap Material Raises $53 Million

Heirloom uses cheap and widely available limestone to suck carbon from the air. The latest funds will help build its first pilot-scale facility


28 June 20219 September 2021

Direct air capture trains

What if the energy released when freight trains slow or stop could be applied to carbon capture technology?

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