Clean energy journalism for a cooler tomorrow

Carbon removal

Carbon removal

Heirloom raises $150M for its limestone-based carbon removal tech

The startup opened the first direct air capture facility in the U.S. last year. The funding will help it build more plants capable of removing higher volumes of CO2.

By Allison Prang  . 

An employee in high-visibility safety gear and a hardhat stands in a production facility
A worker handles trays covered with calcium oxide, which resembles flour. (Heirloom)

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