A direct air capture plant operated by Heirloom in California Heirloom Carbon/Handout via REUTERS
What do Microsoft, Ikea and Shopify have in common? All have promised to become “carbon negative” companies, aiming to not only cut their emissions, but go beyond that to remove carbon dioxide from the air. With such pledges becoming increasingly popular as boardrooms flex their green credentials, the carbon dioxide removal (CDR) industry is seeing an investment boom.
At the moment, around 2 billion additional tonnes of CO₂ are taken out of the atmosphere each year, over and above existing carbon sinks,…
